Vulnerabilities > CVE-2018-14612 - NULL Pointer Dereference vulnerability in Linux Kernel

047910
CVSS 5.5 - MEDIUM
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
local
low complexity
linux
CWE-476
nessus
NVD
Published: 2018-07-27
Updated: 2024-11-21

Summary

An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in btrfs_root_node() when mounting a crafted btrfs image, because of a lack of chunk block group mapping validation in btrfs_read_block_groups in fs/btrfs/extent-tree.c, and a lack of empty-tree checks in check_leaf in fs/btrfs/tree-checker.c.

Vulnerable Configurations

Part Description Count
OS
Linux
3676

Common Weakness Enumeration (CWE)

Nessus

  • NASL familyUbuntu Local Security Checks
    NASL idUBUNTU_USN-4118-1.NASL
    descriptionIt was discovered that the alarmtimer implementation in the Linux kernel contained an integer overflow vulnerability. A local attacker could use this to cause a denial of service. (CVE-2018-13053) Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly track inode validations. An attacker could use this to construct a malicious XFS image that, when mounted, could cause a denial of service (system crash). (CVE-2018-13093) Wen Xu discovered that the f2fs file system implementation in the Linux kernel did not properly validate metadata. An attacker could use this to construct a malicious f2fs image that, when mounted, could cause a denial of service (system crash). (CVE-2018-13096, CVE-2018-13097, CVE-2018-13098, CVE-2018-13099, CVE-2018-13100, CVE-2018-14614, CVE-2018-14615, CVE-2018-14616) Wen Xu and Po-Ning Tseng discovered that btrfs file system implementation in the Linux kernel did not properly validate metadata. An attacker could use this to construct a malicious btrfs image that, when mounted, could cause a denial of service (system crash). (CVE-2018-14609, CVE-2018-14610, CVE-2018-14611, CVE-2018-14612, CVE-2018-14613) Wen Xu discovered that the HFS+ filesystem implementation in the Linux kernel did not properly handle malformed catalog data in some situations. An attacker could use this to construct a malicious HFS+ image that, when mounted, could cause a denial of service (system crash). (CVE-2018-14617) Vasily Averin and Pavel Tikhomirov discovered that the cleancache subsystem of the Linux kernel did not properly initialize new files in some situations. A local attacker could use this to expose sensitive information. (CVE-2018-16862) Hui Peng and Mathias Payer discovered that the Option USB High Speed driver in the Linux kernel did not properly validate metadata received from the device. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2018-19985) Hui Peng and Mathias Payer discovered that the USB subsystem in the Linux kernel did not properly handle size checks when handling an extra USB descriptor. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2018-20169) Zhipeng Xie discovered that an infinite loop could triggered in the CFS Linux kernel process scheduler. A local attacker could possibly use this to cause a denial of service. (CVE-2018-20784) It was discovered that a use-after-free error existed in the block layer subsystem of the Linux kernel when certain failure conditions occurred. A local attacker could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-20856) Eli Biham and Lior Neumann discovered that the Bluetooth implementation in the Linux kernel did not properly validate elliptic curve parameters during Diffie-Hellman key exchange in some situations. An attacker could use this to expose sensitive information. (CVE-2018-5383) It was discovered that the Intel wifi device driver in the Linux kernel did not properly validate certain Tunneled Direct Link Setup (TDLS). A physically proximate attacker could use this to cause a denial of service (wifi disconnect). (CVE-2019-0136) It was discovered that a heap buffer overflow existed in the Marvell Wireless LAN device driver for the Linux kernel. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-10126) It was discovered that the Bluetooth UART implementation in the Linux kernel did not properly check for missing tty operations. A local attacker could use this to cause a denial of service. (CVE-2019-10207) Amit Klein and Benny Pinkas discovered that the Linux kernel did not sufficiently randomize IP ID values generated for connectionless networking protocols. A remote attacker could use this to track particular Linux devices. (CVE-2019-10638) Amit Klein and Benny Pinkas discovered that the location of kernel addresses could exposed by the implementation of connection-less network protocols in the Linux kernel. A remote attacker could possibly use this to assist in the exploitation of another vulnerability in the Linux kernel. (CVE-2019-10639) Adam Zabrocki discovered that the Intel i915 kernel mode graphics driver in the Linux kernel did not properly restrict mmap() ranges in some situations. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-11085) It was discovered that an integer overflow existed in the Linux kernel when reference counting pages, leading to potential use-after-free issues. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-11487) Jann Horn discovered that a race condition existed in the Linux kernel when performing core dumps. A local attacker could use this to cause a denial of service (system crash) or expose sensitive information. (CVE-2019-11599) It was discovered that a NULL pointer dereference vulnerability existed in the LSI Logic MegaRAID driver in the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2019-11810) It was discovered that a race condition leading to a use-after-free existed in the Reliable Datagram Sockets (RDS) protocol implementation in the Linux kernel. The RDS protocol is blacklisted by default in Ubuntu. If enabled, a local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-11815) It was discovered that the ext4 file system implementation in the Linux kernel did not properly zero out memory in some situations. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2019-11833) It was discovered that the Bluetooth Human Interface Device Protocol (HIDP) implementation in the Linux kernel did not properly verify strings were NULL terminated in certain situations. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2019-11884) It was discovered that a NULL pointer dereference vulnerabilty existed in the Near-field communication (NFC) implementation in the Linux kernel. An attacker could use this to cause a denial of service (system crash). (CVE-2019-12818) It was discovered that the MDIO bus devices subsystem in the Linux kernel improperly dropped a device reference in an error condition, leading to a use-after-free. An attacker could use this to cause a denial of service (system crash). (CVE-2019-12819) It was discovered that a NULL pointer dereference vulnerability existed in the Near-field communication (NFC) implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2019-12984) Jann Horn discovered a use-after-free vulnerability in the Linux kernel when accessing LDT entries in some situations. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-13233) Jann Horn discovered that the ptrace implementation in the Linux kernel did not properly record credentials in some situations. A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges. (CVE-2019-13272) It was discovered that the GTCO tablet input driver in the Linux kernel did not properly bounds check the initial HID report sent by the device. A physically proximate attacker could use to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-13631) It was discovered that the floppy driver in the Linux kernel did not properly validate meta data, leading to a buffer overread. A local attacker could use this to cause a denial of service (system crash). (CVE-2019-14283) It was discovered that the floppy driver in the Linux kernel did not properly validate ioctl() calls, leading to a division-by-zero. A local attacker could use this to cause a denial of service (system crash). (CVE-2019-14284) Tuba Yavuz discovered that a race condition existed in the DesignWare USB3 DRD Controller device driver in the Linux kernel. A physically proximate attacker could use this to cause a denial of service. (CVE-2019-14763) It was discovered that an out-of-bounds read existed in the QLogic QEDI iSCSI Initiator Driver in the Linux kernel. A local attacker could possibly use this to expose sensitive information (kernel memory). (CVE-2019-15090) It was discovered that the Raremono AM/FM/SW radio device driver in the Linux kernel did not properly allocate memory, leading to a use-after-free. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2019-15211) It was discovered at a double-free error existed in the USB Rio 500 device driver for the Linux kernel. A physically proximate attacker could use this to cause a denial of service. (CVE-2019-15212) It was discovered that a race condition existed in the Advanced Linux Sound Architecture (ALSA) subsystem of the Linux kernel, leading to a potential use-after-free. A physically proximate attacker could use this to cause a denial of service (system crash) pro possibly execute arbitrary code. (CVE-2019-15214) It was discovered that a race condition existed in the CPiA2 video4linux device driver for the Linux kernel, leading to a use-after-free. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-15215) It was discovered that a race condition existed in the Softmac USB Prism54 device driver in the Linux kernel. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2019-15220) It was discovered that a use-after-free vulnerability existed in the Appletalk implementation in the Linux kernel if an error occurs during initialization. A local attacker could use this to cause a denial of service (system crash). (CVE-2019-15292) It was discovered that the Empia EM28xx DVB USB device driver implementation in the Linux kernel contained a use-after-free vulnerability when disconnecting the device. An attacker could use this to cause a denial of service (system crash). (CVE-2019-2024) It was discovered that the USB video device class implementation in the Linux kernel did not properly validate control bits, resulting in an out of bounds buffer read. A local attacker could use this to possibly expose sensitive information (kernel memory). (CVE-2019-2101) It was discovered that the Marvell Wireless LAN device driver in the Linux kernel did not properly validate the BSS descriptor. A local attacker could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-3846) Jason Wang discovered that an infinite loop vulnerability existed in the virtio net driver in the Linux kernel. A local attacker in a guest VM could possibly use this to cause a denial of service in the host system. (CVE-2019-3900) Daniele Antonioli, Nils Ole Tippenhauer, and Kasper B. Rasmussen discovered that the Bluetooth protocol BR/EDR specification did not properly require sufficiently strong encryption key lengths. A physicall proximate attacker could use this to expose sensitive information. (CVE-2019-9506) It was discovered that the Appletalk IP encapsulation driver in the Linux kernel did not properly prevent kernel addresses from being copied to user space. A local attacker with the CAP_NET_ADMIN capability could use this to expose sensitive information. (CVE-2018-20511) It was discovered that a race condition existed in the USB YUREX device driver in the Linux kernel. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2019-15216) It was discovered that the Siano USB MDTV receiver device driver in the Linux kernel made improper assumptions about the device characteristics. A physically proximate attacker could use this cause a denial of service (system crash). (CVE-2019-15218) It was discovered that the Line 6 POD USB device driver in the Linux kernel did not properly validate data size information from the device. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2019-15221) Muyu Yu discovered that the CAN implementation in the Linux kernel in some situations did not properly restrict the field size when processing outgoing frames. A local attacker with CAP_NET_ADMIN privileges could use this to execute arbitrary code. (CVE-2019-3701) Vladis Dronov discovered that the debug interface for the Linux kernel
    last seen2020-06-01
    modified2020-06-02
    plugin id128478
    published2019-09-03
    reporterUbuntu Security Notice (C) 2019 Canonical, Inc. / NASL script (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/128478
    titleUbuntu 16.04 LTS / 18.04 LTS : linux-aws vulnerabilities (USN-4118-1)
    code
    #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-4118-1. The text 
# itself is copyright (C) Canonical, Inc. See 
# <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered 
# trademark of Canonical, Inc.
#

include("compat.inc");

if (description)
{
  script_id(128478);
  script_version("1.4");
  script_cvs_date("Date: 2019/10/24 11:30:51");

  script_cve_id("CVE-2018-13053", "CVE-2018-13093", "CVE-2018-13096", "CVE-2018-13097", "CVE-2018-13098", "CVE-2018-13099", "CVE-2018-13100", "CVE-2018-14609", "CVE-2018-14610", "CVE-2018-14611", "CVE-2018-14612", "CVE-2018-14613", "CVE-2018-14614", "CVE-2018-14615", "CVE-2018-14616", "CVE-2018-14617", "CVE-2018-16862", "CVE-2018-19985", "CVE-2018-20169", "CVE-2018-20511", "CVE-2018-20784", "CVE-2018-20856", "CVE-2018-5383", "CVE-2019-0136", "CVE-2019-10126", "CVE-2019-10207", "CVE-2019-10638", "CVE-2019-10639", "CVE-2019-11085", "CVE-2019-11487", "CVE-2019-11599", "CVE-2019-11810", "CVE-2019-11815", "CVE-2019-11833", "CVE-2019-11884", "CVE-2019-12818", "CVE-2019-12819", "CVE-2019-12984", "CVE-2019-13233", "CVE-2019-13272", "CVE-2019-13631", "CVE-2019-14283", "CVE-2019-14284", "CVE-2019-14763", "CVE-2019-15090", "CVE-2019-15211", "CVE-2019-15212", "CVE-2019-15214", "CVE-2019-15215", "CVE-2019-15216", "CVE-2019-15218", "CVE-2019-15220", "CVE-2019-15221", "CVE-2019-15292", "CVE-2019-2024", "CVE-2019-2101", "CVE-2019-3701", "CVE-2019-3819", "CVE-2019-3846", "CVE-2019-3900", "CVE-2019-9506");
  script_xref(name:"USN", value:"4118-1");

  script_name(english:"Ubuntu 16.04 LTS / 18.04 LTS : linux-aws vulnerabilities (USN-4118-1)");
  script_summary(english:"Checks dpkg output for updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Ubuntu host is missing one or more security-related
patches."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"It was discovered that the alarmtimer implementation in the Linux
kernel contained an integer overflow vulnerability. A local attacker
could use this to cause a denial of service. (CVE-2018-13053)

Wen Xu discovered that the XFS filesystem implementation in the Linux
kernel did not properly track inode validations. An attacker could use
this to construct a malicious XFS image that, when mounted, could
cause a denial of service (system crash). (CVE-2018-13093)

Wen Xu discovered that the f2fs file system implementation in the
Linux kernel did not properly validate metadata. An attacker could use
this to construct a malicious f2fs image that, when mounted, could
cause a denial of service (system crash). (CVE-2018-13096,
CVE-2018-13097, CVE-2018-13098, CVE-2018-13099, CVE-2018-13100,
CVE-2018-14614, CVE-2018-14615, CVE-2018-14616)

Wen Xu and Po-Ning Tseng discovered that btrfs file system
implementation in the Linux kernel did not properly validate metadata.
An attacker could use this to construct a malicious btrfs image that,
when mounted, could cause a denial of service (system crash).
(CVE-2018-14609, CVE-2018-14610, CVE-2018-14611, CVE-2018-14612,
CVE-2018-14613)

Wen Xu discovered that the HFS+ filesystem implementation in the Linux
kernel did not properly handle malformed catalog data in some
situations. An attacker could use this to construct a malicious HFS+
image that, when mounted, could cause a denial of service (system
crash). (CVE-2018-14617)

Vasily Averin and Pavel Tikhomirov discovered that the cleancache
subsystem of the Linux kernel did not properly initialize new files in
some situations. A local attacker could use this to expose sensitive
information. (CVE-2018-16862)

Hui Peng and Mathias Payer discovered that the Option USB High Speed
driver in the Linux kernel did not properly validate metadata received
from the device. A physically proximate attacker could use this to
cause a denial of service (system crash). (CVE-2018-19985)

Hui Peng and Mathias Payer discovered that the USB subsystem in the
Linux kernel did not properly handle size checks when handling an
extra USB descriptor. A physically proximate attacker could use this
to cause a denial of service (system crash). (CVE-2018-20169)

Zhipeng Xie discovered that an infinite loop could triggered in the
CFS Linux kernel process scheduler. A local attacker could possibly
use this to cause a denial of service. (CVE-2018-20784)

It was discovered that a use-after-free error existed in the block
layer subsystem of the Linux kernel when certain failure conditions
occurred. A local attacker could possibly use this to cause a denial
of service (system crash) or possibly execute arbitrary code.
(CVE-2018-20856)

Eli Biham and Lior Neumann discovered that the Bluetooth
implementation in the Linux kernel did not properly validate elliptic
curve parameters during Diffie-Hellman key exchange in some
situations. An attacker could use this to expose sensitive
information. (CVE-2018-5383)

It was discovered that the Intel wifi device driver in the Linux
kernel did not properly validate certain Tunneled Direct Link Setup
(TDLS). A physically proximate attacker could use this to cause a
denial of service (wifi disconnect). (CVE-2019-0136)

It was discovered that a heap buffer overflow existed in the Marvell
Wireless LAN device driver for the Linux kernel. An attacker could use
this to cause a denial of service (system crash) or possibly execute
arbitrary code. (CVE-2019-10126)

It was discovered that the Bluetooth UART implementation in the Linux
kernel did not properly check for missing tty operations. A local
attacker could use this to cause a denial of service. (CVE-2019-10207)

Amit Klein and Benny Pinkas discovered that the Linux kernel did not
sufficiently randomize IP ID values generated for connectionless
networking protocols. A remote attacker could use this to track
particular Linux devices. (CVE-2019-10638)

Amit Klein and Benny Pinkas discovered that the location of kernel
addresses could exposed by the implementation of connection-less
network protocols in the Linux kernel. A remote attacker could
possibly use this to assist in the exploitation of another
vulnerability in the Linux kernel. (CVE-2019-10639)

Adam Zabrocki discovered that the Intel i915 kernel mode graphics
driver in the Linux kernel did not properly restrict mmap() ranges in
some situations. A local attacker could use this to cause a denial of
service (system crash) or possibly execute arbitrary code.
(CVE-2019-11085)

It was discovered that an integer overflow existed in the Linux kernel
when reference counting pages, leading to potential use-after-free
issues. A local attacker could use this to cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2019-11487)

Jann Horn discovered that a race condition existed in the Linux kernel
when performing core dumps. A local attacker could use this to cause a
denial of service (system crash) or expose sensitive information.
(CVE-2019-11599)

It was discovered that a NULL pointer dereference vulnerability
existed in the LSI Logic MegaRAID driver in the Linux kernel. A local
attacker could use this to cause a denial of service (system crash).
(CVE-2019-11810)

It was discovered that a race condition leading to a use-after-free
existed in the Reliable Datagram Sockets (RDS) protocol implementation
in the Linux kernel. The RDS protocol is blacklisted by default in
Ubuntu. If enabled, a local attacker could use this to cause a denial
of service (system crash) or possibly execute arbitrary code.
(CVE-2019-11815)

It was discovered that the ext4 file system implementation in the
Linux kernel did not properly zero out memory in some situations. A
local attacker could use this to expose sensitive information (kernel
memory). (CVE-2019-11833)

It was discovered that the Bluetooth Human Interface Device Protocol
(HIDP) implementation in the Linux kernel did not properly verify
strings were NULL terminated in certain situations. A local attacker
could use this to expose sensitive information (kernel memory).
(CVE-2019-11884)

It was discovered that a NULL pointer dereference vulnerabilty existed
in the Near-field communication (NFC) implementation in the Linux
kernel. An attacker could use this to cause a denial of service
(system crash). (CVE-2019-12818)

It was discovered that the MDIO bus devices subsystem in the Linux
kernel improperly dropped a device reference in an error condition,
leading to a use-after-free. An attacker could use this to cause a
denial of service (system crash). (CVE-2019-12819)

It was discovered that a NULL pointer dereference vulnerability
existed in the Near-field communication (NFC) implementation in the
Linux kernel. A local attacker could use this to cause a denial of
service (system crash). (CVE-2019-12984)

Jann Horn discovered a use-after-free vulnerability in the Linux
kernel when accessing LDT entries in some situations. A local attacker
could use this to cause a denial of service (system crash) or possibly
execute arbitrary code. (CVE-2019-13233)

Jann Horn discovered that the ptrace implementation in the Linux
kernel did not properly record credentials in some situations. A local
attacker could use this to cause a denial of service (system crash) or
possibly gain administrative privileges. (CVE-2019-13272)

It was discovered that the GTCO tablet input driver in the Linux
kernel did not properly bounds check the initial HID report sent by
the device. A physically proximate attacker could use to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2019-13631)

It was discovered that the floppy driver in the Linux kernel did not
properly validate meta data, leading to a buffer overread. A local
attacker could use this to cause a denial of service (system crash).
(CVE-2019-14283)

It was discovered that the floppy driver in the Linux kernel did not
properly validate ioctl() calls, leading to a division-by-zero. A
local attacker could use this to cause a denial of service (system
crash). (CVE-2019-14284)

Tuba Yavuz discovered that a race condition existed in the DesignWare
USB3 DRD Controller device driver in the Linux kernel. A physically
proximate attacker could use this to cause a denial of service.
(CVE-2019-14763)

It was discovered that an out-of-bounds read existed in the QLogic
QEDI iSCSI Initiator Driver in the Linux kernel. A local attacker
could possibly use this to expose sensitive information (kernel
memory). (CVE-2019-15090)

It was discovered that the Raremono AM/FM/SW radio device driver in
the Linux kernel did not properly allocate memory, leading to a
use-after-free. A physically proximate attacker could use this to
cause a denial of service or possibly execute arbitrary code.
(CVE-2019-15211)

It was discovered at a double-free error existed in the USB Rio 500
device driver for the Linux kernel. A physically proximate attacker
could use this to cause a denial of service. (CVE-2019-15212)

It was discovered that a race condition existed in the Advanced Linux
Sound Architecture (ALSA) subsystem of the Linux kernel, leading to a
potential use-after-free. A physically proximate attacker could use
this to cause a denial of service (system crash) pro possibly execute
arbitrary code. (CVE-2019-15214)

It was discovered that a race condition existed in the CPiA2
video4linux device driver for the Linux kernel, leading to a
use-after-free. A physically proximate attacker could use this to
cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2019-15215)

It was discovered that a race condition existed in the Softmac USB
Prism54 device driver in the Linux kernel. A physically proximate
attacker could use this to cause a denial of service (system crash).
(CVE-2019-15220)

It was discovered that a use-after-free vulnerability existed in the
Appletalk implementation in the Linux kernel if an error occurs during
initialization. A local attacker could use this to cause a denial of
service (system crash). (CVE-2019-15292)

It was discovered that the Empia EM28xx DVB USB device driver
implementation in the Linux kernel contained a use-after-free
vulnerability when disconnecting the device. An attacker could use
this to cause a denial of service (system crash). (CVE-2019-2024)

It was discovered that the USB video device class implementation in
the Linux kernel did not properly validate control bits, resulting in
an out of bounds buffer read. A local attacker could use this to
possibly expose sensitive information (kernel memory). (CVE-2019-2101)

It was discovered that the Marvell Wireless LAN device driver in the
Linux kernel did not properly validate the BSS descriptor. A local
attacker could possibly use this to cause a denial of service (system
crash) or possibly execute arbitrary code. (CVE-2019-3846)

Jason Wang discovered that an infinite loop vulnerability existed in
the virtio net driver in the Linux kernel. A local attacker in a guest
VM could possibly use this to cause a denial of service in the host
system. (CVE-2019-3900)

Daniele Antonioli, Nils Ole Tippenhauer, and Kasper B. Rasmussen
discovered that the Bluetooth protocol BR/EDR specification did not
properly require sufficiently strong encryption key lengths. A
physicall proximate attacker could use this to expose sensitive
information. (CVE-2019-9506)

It was discovered that the Appletalk IP encapsulation driver in the
Linux kernel did not properly prevent kernel addresses from being
copied to user space. A local attacker with the CAP_NET_ADMIN
capability could use this to expose sensitive information.
(CVE-2018-20511)

It was discovered that a race condition existed in the USB YUREX
device driver in the Linux kernel. A physically proximate attacker
could use this to cause a denial of service (system crash).
(CVE-2019-15216)

It was discovered that the Siano USB MDTV receiver device driver in
the Linux kernel made improper assumptions about the device
characteristics. A physically proximate attacker could use this cause
a denial of service (system crash). (CVE-2019-15218)

It was discovered that the Line 6 POD USB device driver in the Linux
kernel did not properly validate data size information from the
device. A physically proximate attacker could use this to cause a
denial of service (system crash). (CVE-2019-15221)

Muyu Yu discovered that the CAN implementation in the Linux kernel in
some situations did not properly restrict the field size when
processing outgoing frames. A local attacker with CAP_NET_ADMIN
privileges could use this to execute arbitrary code. (CVE-2019-3701)

Vladis Dronov discovered that the debug interface for the Linux
kernel's HID subsystem did not properly validate passed parameters in
some situations. A local privileged attacker could use this to cause a
denial of service (infinite loop). (CVE-2019-3819).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://usn.ubuntu.com/4118-1/"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Update the affected linux-image-4.15-aws, linux-image-aws and / or
linux-image-aws-hwe packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Linux Polkit pkexec helper PTRACE_TRACEME local root exploit');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15-aws");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-aws");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-aws-hwe");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:16.04");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:18.04:-:lts");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/07/02");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/09/02");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/09/03");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2019 Canonical, Inc. / NASL script (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Ubuntu Local Security Checks");

  script_dependencies("ssh_get_info.nasl", "linux_alt_patch_detect.nasl");
  script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("ubuntu.inc");
include("ksplice.inc");

if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/Ubuntu/release");
if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu");
release = chomp(release);
if (! preg(pattern:"^(16\.04|18\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 16.04 / 18.04", "Ubuntu " + release);
if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu);

if (get_one_kb_item("Host/ksplice/kernel-cves"))
{
  rm_kb_item(name:"Host/uptrack-uname-r");
  cve_list = make_list("CVE-2018-13053", "CVE-2018-13093", "CVE-2018-13096", "CVE-2018-13097", "CVE-2018-13098", "CVE-2018-13099", "CVE-2018-13100", "CVE-2018-14609", "CVE-2018-14610", "CVE-2018-14611", "CVE-2018-14612", "CVE-2018-14613", "CVE-2018-14614", "CVE-2018-14615", "CVE-2018-14616", "CVE-2018-14617", "CVE-2018-16862", "CVE-2018-19985", "CVE-2018-20169", "CVE-2018-20511", "CVE-2018-20784", "CVE-2018-20856", "CVE-2018-5383", "CVE-2019-0136", "CVE-2019-10126", "CVE-2019-10207", "CVE-2019-10638", "CVE-2019-10639", "CVE-2019-11085", "CVE-2019-11487", "CVE-2019-11599", "CVE-2019-11810", "CVE-2019-11815", "CVE-2019-11833", "CVE-2019-11884", "CVE-2019-12818", "CVE-2019-12819", "CVE-2019-12984", "CVE-2019-13233", "CVE-2019-13272", "CVE-2019-13631", "CVE-2019-14283", "CVE-2019-14284", "CVE-2019-14763", "CVE-2019-15090", "CVE-2019-15211", "CVE-2019-15212", "CVE-2019-15214", "CVE-2019-15215", "CVE-2019-15216", "CVE-2019-15218", "CVE-2019-15220", "CVE-2019-15221", "CVE-2019-15292", "CVE-2019-2024", "CVE-2019-2101", "CVE-2019-3701", "CVE-2019-3819", "CVE-2019-3846", "CVE-2019-3900", "CVE-2019-9506");
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, "KSplice hotfix for USN-4118-1");
  }
  else
  {
    _ubuntu_report = ksplice_reporting_text();
  }
}

flag = 0;

if (ubuntu_check(osver:"16.04", pkgname:"linux-image-4.15.0-1047-aws", pkgver:"4.15.0-1047.49~16.04.1")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"linux-image-aws-hwe", pkgver:"4.15.0.1047.47")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-4.15.0-1047-aws", pkgver:"4.15.0-1047.49")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-aws", pkgver:"4.15.0.1047.46")) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : ubuntu_report_get()
  );
  exit(0);
}
else
{
  tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "linux-image-4.15-aws / linux-image-aws / linux-image-aws-hwe");
}
  • NASL familySlackware Local Security Checks
    NASL idSLACKWARE_SSA_2019-030-01.NASL
    descriptionNew kernel packages are available for Slackware 14.2 to fix security issues.
    last seen2020-03-17
    modified2019-01-31
    plugin id121505
    published2019-01-31
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/121505
    titleSlackware 14.2 : Slackware 14.2 kernel (SSA:2019-030-01)
    code
    #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Slackware Security Advisory 2019-030-01. The text 
# itself is copyright (C) Slackware Linux, Inc.
#

include("compat.inc");

if (description)
{
  script_id(121505);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/02/20");

  script_cve_id("CVE-2017-18241", "CVE-2017-18249", "CVE-2018-10880", "CVE-2018-1120", "CVE-2018-12896", "CVE-2018-13053", "CVE-2018-13096", "CVE-2018-13097", "CVE-2018-13099", "CVE-2018-13100", "CVE-2018-14610", "CVE-2018-14611", "CVE-2018-14612", "CVE-2018-14613", "CVE-2018-14614", "CVE-2018-14616", "CVE-2018-14633", "CVE-2018-16862", "CVE-2018-16884", "CVE-2018-17972", "CVE-2018-18021", "CVE-2018-18281", "CVE-2018-18690", "CVE-2018-18710", "CVE-2018-19824", "CVE-2018-19985", "CVE-2018-20169", "CVE-2018-20511", "CVE-2018-5848", "CVE-2018-7755", "CVE-2019-3701");
  script_xref(name:"SSA", value:"2019-030-01");

  script_name(english:"Slackware 14.2 : Slackware 14.2 kernel (SSA:2019-030-01)");
  script_summary(english:"Checks for updated packages in /var/log/packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Slackware host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"New kernel packages are available for Slackware 14.2 to fix security
issues."
  );
  # http://www.slackware.com/security/viewer.php?l=slackware-security&y=2019&m=slackware-security.842527
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?0db5ea06"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-14633");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:slackware:slackware_linux:kernel-firmware");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:slackware:slackware_linux:kernel-generic");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:slackware:slackware_linux:kernel-generic-smp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:slackware:slackware_linux:kernel-headers");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:slackware:slackware_linux:kernel-huge");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:slackware:slackware_linux:kernel-huge-smp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:slackware:slackware_linux:kernel-modules");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:slackware:slackware_linux:kernel-modules-smp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:slackware:slackware_linux:kernel-source");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:slackware:slackware_linux:14.2");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/03/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/01/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/01/31");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Slackware Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Slackware/release", "Host/Slackware/packages");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("slackware.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Slackware/release")) audit(AUDIT_OS_NOT, "Slackware");
if (!get_kb_item("Host/Slackware/packages")) audit(AUDIT_PACKAGE_LIST_MISSING);


cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Slackware", cpu);


flag = 0;
if (slackware_check(osver:"14.2", pkgname:"kernel-firmware", pkgver:"20190118_a8b75ca", pkgarch:"noarch", pkgnum:"1")) flag++;
if (slackware_check(osver:"14.2", pkgname:"kernel-generic", pkgver:"4.4.172", pkgarch:"i586", pkgnum:"1")) flag++;
if (slackware_check(osver:"14.2", pkgname:"kernel-generic-smp", pkgver:"4.4.172_smp", pkgarch:"i686", pkgnum:"1")) flag++;
if (slackware_check(osver:"14.2", pkgname:"kernel-headers", pkgver:"4.4.172_smp", pkgarch:"x86", pkgnum:"1")) flag++;
if (slackware_check(osver:"14.2", pkgname:"kernel-huge", pkgver:"4.4.172", pkgarch:"i586", pkgnum:"1")) flag++;
if (slackware_check(osver:"14.2", pkgname:"kernel-huge-smp", pkgver:"4.4.172_smp", pkgarch:"i686", pkgnum:"1")) flag++;
if (slackware_check(osver:"14.2", pkgname:"kernel-modules", pkgver:"4.4.172", pkgarch:"i586", pkgnum:"1")) flag++;
if (slackware_check(osver:"14.2", pkgname:"kernel-modules-smp", pkgver:"4.4.172_smp", pkgarch:"i686", pkgnum:"1")) flag++;
if (slackware_check(osver:"14.2", pkgname:"kernel-source", pkgver:"4.4.172_smp", pkgarch:"noarch", pkgnum:"1")) flag++;
if (slackware_check(osver:"14.2", arch:"x86_64", pkgname:"kernel-firmware", pkgver:"20190118_a8b75ca", pkgarch:"noarch", pkgnum:"1")) flag++;
if (slackware_check(osver:"14.2", arch:"x86_64", pkgname:"kernel-generic", pkgver:"4.4.172", pkgarch:"x86_64", pkgnum:"1")) flag++;
if (slackware_check(osver:"14.2", arch:"x86_64", pkgname:"kernel-headers", pkgver:"4.4.172", pkgarch:"x86", pkgnum:"1")) flag++;
if (slackware_check(osver:"14.2", arch:"x86_64", pkgname:"kernel-huge", pkgver:"4.4.172", pkgarch:"x86_64", pkgnum:"1")) flag++;
if (slackware_check(osver:"14.2", arch:"x86_64", pkgname:"kernel-modules", pkgver:"4.4.172", pkgarch:"x86_64", pkgnum:"1")) flag++;
if (slackware_check(osver:"14.2", arch:"x86_64", pkgname:"kernel-source", pkgver:"4.4.172", pkgarch:"noarch", pkgnum:"1")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:slackware_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
  • NASL familyOracle Linux Local Security Checks
    NASL idORACLELINUX_ELSA-2019-4570.NASL
    descriptionDescription of changes: [4.14.35-1844.3.2.el7uek] - uek-rpm: Remove hardcoded
    last seen2020-06-01
    modified2020-06-02
    plugin id122802
    published2019-03-13
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/122802
    titleOracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2019-4570)
    code
    #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Oracle Linux Security Advisory ELSA-2019-4570.
#

include("compat.inc");

if (description)
{
  script_id(122802);
  script_version("1.8");
  script_cvs_date("Date: 2020/02/05");

  script_cve_id("CVE-2018-1000026", "CVE-2018-14609", "CVE-2018-14612", "CVE-2018-16862");

  script_name(english:"Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2019-4570)");
  script_summary(english:"Checks rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Oracle Linux host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Description of changes:

[4.14.35-1844.3.2.el7uek]
- uek-rpm: Remove hardcoded 'kernel_git_commit' macro from specfile (Victor Erminpour)  [Orabug: 29357695]
- mm: cleancache: fix corruption on missed inode invalidation (Pavel Tikhomirov)  [Orabug: 29364665]  {CVE-2018-16862}
- l2tp: fix reading optional fields of L2TPv3 (Jacob Wen)  [Orabug: 29368046]

[4.14.35-1844.3.1.el7uek]
- x86/speculation: Add support for STIBP always-on preferred mode (Thomas Lendacky)  [Orabug: 29344486]
- x86/speculation: Provide IBPB always command line options (Thomas Gleixner)  [Orabug: 29344486]
- x86/speculation: Add seccomp Spectre v2 user space protection mode (Thomas Gleixner)  [Orabug: 29344486]
- x86/speculation: Enable prctl mode for spectre_v2_user (Thomas Gleixner)  [Orabug: 29344486]
- x86/speculation: Add prctl() control for indirect branch speculation (Thomas Gleixner)  [Orabug: 29344486]
- x86/speculation: Prepare arch_smt_update() for PRCTL mode (Thomas Gleixner)  [Orabug: 29344486]
- x86/speculation: Prevent stale SPEC_CTRL msr content (Thomas Gleixner)  [Orabug: 29344486]
- x86/speculation: Split out TIF update (Thomas Gleixner)  [Orabug: 29344486]
- ptrace: Remove unused ptrace_may_access_sched() and MODE_IBRS (Thomas Gleixner)  [Orabug: 29344486]
- x86/speculation: Remove static key ibpb_enabled_key (Anjali Kulkarni)  [Orabug: 29344486]
- x86/speculation: Prepare for conditional IBPB in switch_mm() (Thomas Gleixner)  [Orabug: 29344486]
- x86/speculation: Avoid __switch_to_xtra() calls (Thomas Gleixner)  [Orabug: 29344486]
- x86/process: Consolidate and simplify switch_to_xtra() code (Thomas Gleixner)  [Orabug: 29344486]
- x86/speculation: Prepare for per task indirect branch speculation control (Tim Chen)  [Orabug: 29344486]
- x86/speculation: Add command line control for indirect branch speculation (Thomas Gleixner)  [Orabug: 29344486]
- x86/speculation: Unify conditional spectre v2 print functions (Thomas Gleixner)  [Orabug: 29344486]
- x86/speculataion: Mark command line parser data __initdata (Thomas Gleixner)  [Orabug: 29344486]
- x86/speculation: Mark string arrays const correctly (Thomas Gleixner)  [Orabug: 29344486]
- x86/speculation: Reorder the spec_v2 code (Thomas Gleixner)  [Orabug: 29344486]
- x86/l1tf: Show actual SMT state (Thomas Gleixner)  [Orabug: 29344486]
- x86/speculation: Rework SMT state change (Thomas Gleixner)  [Orabug: 29344486]
- sched/smt: Expose sched_smt_present static key (Thomas Gleixner)  [Orabug: 29344486]
- x86/Kconfig: Select SCHED_SMT if SMP enabled (Thomas Gleixner)  [Orabug: 29344486]
- sched/smt: Make sched_smt_present track topology (Peter Zijlstra (Intel))  [Orabug: 29344486]
- x86/speculation: Reorganize speculation control MSRs update (Tim Chen)  [Orabug: 29344486]
- x86/speculation: Rename SSBD update functions (Thomas Gleixner)  [Orabug: 29344486]
- x86/speculation: Disable STIBP when enhanced IBRS is in use (Tim Chen)  [Orabug: 29344486]
- x86/speculation: Move STIPB/IBPB string conditionals out of cpu_show_common() (Tim Chen)  [Orabug: 29344486]
- x86/speculation: Remove unnecessary ret variable in cpu_show_common() (Tim Chen)  [Orabug: 29344486]
- x86/speculation: Clean up spectre_v2_parse_cmdline() (Tim Chen)  [Orabug: 29344486]
- x86/speculation: Update the TIF_SSBD comment (Tim Chen)  [Orabug: 29344486]
- sched/core: Fix cpu.max vs. cpuhotplug deadlock (Peter Zijlstra)  [Orabug: 29344486]
- x86/speculation: Enable cross-hyperthread spectre v2 STIBP mitigation (Jiri Kosina)  [Orabug: 29344486]
- x86/speculation: Apply IBPB more strictly to avoid cross-process data leak (Jiri Kosina)  [Orabug: 29344486]
- netfilter: nf_tables: deactivate expressions in rule replecement routine (Taehee Yoo)  [Orabug: 29355502]
- btrfs: Verify that every chunk has corresponding block group at mount time (Qu Wenruo)  [Orabug: 29355254]  {CVE-2018-14612}
- mlx4_ib: Distribute completion vectors when zero is supplied (H&aring kon Bugge)  [Orabug: 29324328]
- x86/speculation: Clean up retpoline code in bugs.c (Alejandro Jimenez)  [Orabug: 29211613]
- x86, modpost: Replace last remnants of RETPOLINE with CONFIG_RETPOLINE (WANG Chao)  [Orabug: 29211613]
- x86/build: Fix compiler support check for CONFIG_RETPOLINE (Masahiro Yamada)  [Orabug: 29211613]
- x86/retpoline: Remove minimal retpoline support (Zhenzhong Duan)  [Orabug: 29211613]
- uek-rpm: Enable device-mapper era driver (Dave Aldridge)  [Orabug: 29283140]
- uek-rpm: use multi-threaded xz compression for rpms (Alexander Burmashev)  [Orabug: 29322860]
- uek-rpm: optimize find-requires usage (Alexander Burmashev)  [Orabug: 29322860]
- find-debuginfo.sh: backport parallel files procession (Alexander Burmashev)  [Orabug: 29322860]

[4.14.35-1844.3.0.el7uek]
- xfs: refactor short form directory structure verifier function (Darrick J. Wong)  [Orabug: 29301204]
- xfs: provide a centralized method for verifying inline fork data (Darrick J. Wong)  [Orabug: 29301204]
- xfs: create structure verifier function for short form symlinks (Darrick J. Wong)  [Orabug: 29301204]
- xfs: create structure verifier function for shortform xattrs (Darrick J. Wong)  [Orabug: 29301204]
- btrfs: relocation: Only remove reloc rb_trees if reloc control has been initialized (Qu Wenruo)  [Orabug: 29301101]  {CVE-2018-14609}
- iommu/amd: Fix IOMMU page flush when detach device from a domain (Suravee Suthikulpanit)  [Orabug: 29297191]
- x86/apic: Switch all APICs to Fixed delivery mode (Thomas Gleixner)  [Orabug: 29262403]
- kvm: x86: Report STIBP on GET_SUPPORTED_CPUID (Eduardo Habkost)  [Orabug: 29229728]
- bnx2x: disable GSO where gso_size is too big for hardware (Daniel Axtens)  [Orabug: 29125104]  {CVE-2018-1000026}
- net: create skb_gso_validate_mac_len() (Daniel Axtens)  [Orabug: 29125104]  {CVE-2018-1000026}
- slub: make ->cpu_partial unsigned (Alexey Dobriyan)  [Orabug: 28973025]"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://oss.oracle.com/pipermail/el-errata/2019-March/008527.html"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected unbreakable enterprise kernel packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-16862");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-uek");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-uek-debug");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-uek-debug-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-uek-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-uek-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-uek-tools");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:7");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/02/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/03/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/03/13");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Oracle Linux Local Security Checks");

  script_dependencies("ssh_get_info.nasl", "linux_alt_patch_detect.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/OracleLinux", "Host/RedHat/release", "Host/RedHat/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");
include("ksplice.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/OracleLinux")) audit(AUDIT_OS_NOT, "Oracle Linux");
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:release)) audit(AUDIT_OS_NOT, "Oracle Linux");
os_ver = pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux) .*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Oracle Linux");
os_ver = os_ver[1];
if (! preg(pattern:"^7([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Oracle Linux 7", "Oracle Linux " + os_ver);

if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Oracle Linux", cpu);
if ("x86_64" >!< cpu) audit(AUDIT_ARCH_NOT, "x86_64", cpu);

if (get_one_kb_item("Host/ksplice/kernel-cves"))
{
  rm_kb_item(name:"Host/uptrack-uname-r");
  cve_list = make_list("CVE-2018-1000026", "CVE-2018-14609", "CVE-2018-14612", "CVE-2018-16862");  
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, "KSplice hotfix for ELSA-2019-4570");
  }
  else
  {
    __rpm_report = ksplice_reporting_text();
  }
}

kernel_major_minor = get_kb_item("Host/uname/major_minor");
if (empty_or_null(kernel_major_minor)) exit(1, "Unable to determine kernel major-minor level.");
expected_kernel_major_minor = "4.14";
if (kernel_major_minor != expected_kernel_major_minor)
  audit(AUDIT_OS_NOT, "running kernel level " + expected_kernel_major_minor + ", it is running kernel level " + kernel_major_minor);

flag = 0;
if (rpm_exists(release:"EL7", rpm:"kernel-uek-4.14.35") && rpm_check(release:"EL7", cpu:"x86_64", reference:"kernel-uek-4.14.35-1844.3.2.el7uek")) flag++;
if (rpm_exists(release:"EL7", rpm:"kernel-uek-debug-4.14.35") && rpm_check(release:"EL7", cpu:"x86_64", reference:"kernel-uek-debug-4.14.35-1844.3.2.el7uek")) flag++;
if (rpm_exists(release:"EL7", rpm:"kernel-uek-debug-devel-4.14.35") && rpm_check(release:"EL7", cpu:"x86_64", reference:"kernel-uek-debug-devel-4.14.35-1844.3.2.el7uek")) flag++;
if (rpm_exists(release:"EL7", rpm:"kernel-uek-devel-4.14.35") && rpm_check(release:"EL7", cpu:"x86_64", reference:"kernel-uek-devel-4.14.35-1844.3.2.el7uek")) flag++;
if (rpm_exists(release:"EL7", rpm:"kernel-uek-doc-4.14.35") && rpm_check(release:"EL7", cpu:"x86_64", reference:"kernel-uek-doc-4.14.35-1844.3.2.el7uek")) flag++;
if (rpm_exists(release:"EL7", rpm:"kernel-uek-tools-4.14.35") && rpm_check(release:"EL7", cpu:"x86_64", reference:"kernel-uek-tools-4.14.35-1844.3.2.el7uek")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_note(port:0, extra:rpm_report_get());
  else security_note(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "affected kernel");
}
  • NASL familyUbuntu Local Security Checks
    NASL idUBUNTU_USN-4094-1.NASL
    descriptionIt was discovered that the alarmtimer implementation in the Linux kernel contained an integer overflow vulnerability. A local attacker could use this to cause a denial of service. (CVE-2018-13053) Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly track inode validations. An attacker could use this to construct a malicious XFS image that, when mounted, could cause a denial of service (system crash). (CVE-2018-13093) Wen Xu discovered that the f2fs file system implementation in the Linux kernel did not properly validate metadata. An attacker could use this to construct a malicious f2fs image that, when mounted, could cause a denial of service (system crash). (CVE-2018-13097, CVE-2018-13099, CVE-2018-13100, CVE-2018-14614, CVE-2018-14616, CVE-2018-13096, CVE-2018-13098, CVE-2018-14615) Wen Xu and Po-Ning Tseng discovered that btrfs file system implementation in the Linux kernel did not properly validate metadata. An attacker could use this to construct a malicious btrfs image that, when mounted, could cause a denial of service (system crash). (CVE-2018-14610, CVE-2018-14611, CVE-2018-14612, CVE-2018-14613, CVE-2018-14609) Wen Xu discovered that the HFS+ filesystem implementation in the Linux kernel did not properly handle malformed catalog data in some situations. An attacker could use this to construct a malicious HFS+ image that, when mounted, could cause a denial of service (system crash). (CVE-2018-14617) Vasily Averin and Pavel Tikhomirov discovered that the cleancache subsystem of the Linux kernel did not properly initialize new files in some situations. A local attacker could use this to expose sensitive information. (CVE-2018-16862) Hui Peng and Mathias Payer discovered that the USB subsystem in the Linux kernel did not properly handle size checks when handling an extra USB descriptor. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2018-20169) It was discovered that a use-after-free error existed in the block layer subsystem of the Linux kernel when certain failure conditions occurred. A local attacker could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-20856) Eli Biham and Lior Neumann discovered that the Bluetooth implementation in the Linux kernel did not properly validate elliptic curve parameters during Diffie-Hellman key exchange in some situations. An attacker could use this to expose sensitive information. (CVE-2018-5383) It was discovered that a heap buffer overflow existed in the Marvell Wireless LAN device driver for the Linux kernel. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-10126) Andrei Vlad Lutas and Dan Lutas discovered that some x86 processors incorrectly handle SWAPGS instructions during speculative execution. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2019-1125) It was discovered that the PowerPC dlpar implementation in the Linux kernel did not properly check for allocation errors in some situations. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2019-12614) It was discovered that a NULL pointer dereference vulnerabilty existed in the Near-field communication (NFC) implementation in the Linux kernel. An attacker could use this to cause a denial of service (system crash). (CVE-2019-12818) It was discovered that the MDIO bus devices subsystem in the Linux kernel improperly dropped a device reference in an error condition, leading to a use-after-free. An attacker could use this to cause a denial of service (system crash). (CVE-2019-12819) It was discovered that a NULL pointer dereference vulnerability existed in the Near-field communication (NFC) implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2019-12984) Jann Horn discovered a use-after-free vulnerability in the Linux kernel when accessing LDT entries in some situations. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-13233) Jann Horn discovered that the ptrace implementation in the Linux kernel did not properly record credentials in some situations. A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges. (CVE-2019-13272) It was discovered that the Empia EM28xx DVB USB device driver implementation in the Linux kernel contained a use-after-free vulnerability when disconnecting the device. An attacker could use this to cause a denial of service (system crash). (CVE-2019-2024) It was discovered that the USB video device class implementation in the Linux kernel did not properly validate control bits, resulting in an out of bounds buffer read. A local attacker could use this to possibly expose sensitive information (kernel memory). (CVE-2019-2101) It was discovered that the Marvell Wireless LAN device driver in the Linux kernel did not properly validate the BSS descriptor. A local attacker could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-3846) It was discovered that the Appletalk IP encapsulation driver in the Linux kernel did not properly prevent kernel addresses from being copied to user space. A local attacker with the CAP_NET_ADMIN capability could use this to expose sensitive information. (CVE-2018-20511). Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-06-01
    modified2020-06-02
    plugin id127889
    published2019-08-14
    reporterUbuntu Security Notice (C) 2019-2020 Canonical, Inc. / NASL script (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/127889
    titleUbuntu 16.04 LTS / 18.04 LTS : linux, linux-hwe, linux-azure, linux-gcp, linux-gke-4.15, linux-kvm, (USN-4094-1)
    code
    #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-4094-1. The text 
# itself is copyright (C) Canonical, Inc. See 
# <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered 
# trademark of Canonical, Inc.
#

include("compat.inc");

if (description)
{
  script_id(127889);
  script_version("1.5");
  script_cvs_date("Date: 2020/01/02");

  script_cve_id("CVE-2018-13053", "CVE-2018-13093", "CVE-2018-13096", "CVE-2018-13097", "CVE-2018-13098", "CVE-2018-13099", "CVE-2018-13100", "CVE-2018-14609", "CVE-2018-14610", "CVE-2018-14611", "CVE-2018-14612", "CVE-2018-14613", "CVE-2018-14614", "CVE-2018-14615", "CVE-2018-14616", "CVE-2018-14617", "CVE-2018-16862", "CVE-2018-20169", "CVE-2018-20511", "CVE-2018-20856", "CVE-2018-5383", "CVE-2019-10126", "CVE-2019-1125", "CVE-2019-12614", "CVE-2019-12818", "CVE-2019-12819", "CVE-2019-12984", "CVE-2019-13233", "CVE-2019-13272", "CVE-2019-2024", "CVE-2019-2101", "CVE-2019-3846");
  script_xref(name:"USN", value:"4094-1");

  script_name(english:"Ubuntu 16.04 LTS / 18.04 LTS : linux, linux-hwe, linux-azure, linux-gcp, linux-gke-4.15, linux-kvm, (USN-4094-1)");
  script_summary(english:"Checks dpkg output for updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Ubuntu host is missing one or more security-related
patches."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"It was discovered that the alarmtimer implementation in the Linux
kernel contained an integer overflow vulnerability. A local attacker
could use this to cause a denial of service. (CVE-2018-13053)

Wen Xu discovered that the XFS filesystem implementation in the Linux
kernel did not properly track inode validations. An attacker could use
this to construct a malicious XFS image that, when mounted, could
cause a denial of service (system crash). (CVE-2018-13093)

Wen Xu discovered that the f2fs file system implementation in the
Linux kernel did not properly validate metadata. An attacker could use
this to construct a malicious f2fs image that, when mounted, could
cause a denial of service (system crash). (CVE-2018-13097,
CVE-2018-13099, CVE-2018-13100, CVE-2018-14614, CVE-2018-14616,
CVE-2018-13096, CVE-2018-13098, CVE-2018-14615)

Wen Xu and Po-Ning Tseng discovered that btrfs file system
implementation in the Linux kernel did not properly validate metadata.
An attacker could use this to construct a malicious btrfs image that,
when mounted, could cause a denial of service (system crash).
(CVE-2018-14610, CVE-2018-14611, CVE-2018-14612, CVE-2018-14613,
CVE-2018-14609)

Wen Xu discovered that the HFS+ filesystem implementation in the Linux
kernel did not properly handle malformed catalog data in some
situations. An attacker could use this to construct a malicious HFS+
image that, when mounted, could cause a denial of service (system
crash). (CVE-2018-14617)

Vasily Averin and Pavel Tikhomirov discovered that the cleancache
subsystem of the Linux kernel did not properly initialize new files in
some situations. A local attacker could use this to expose sensitive
information. (CVE-2018-16862)

Hui Peng and Mathias Payer discovered that the USB subsystem in the
Linux kernel did not properly handle size checks when handling an
extra USB descriptor. A physically proximate attacker could use this
to cause a denial of service (system crash). (CVE-2018-20169)

It was discovered that a use-after-free error existed in the block
layer subsystem of the Linux kernel when certain failure conditions
occurred. A local attacker could possibly use this to cause a denial
of service (system crash) or possibly execute arbitrary code.
(CVE-2018-20856)

Eli Biham and Lior Neumann discovered that the Bluetooth
implementation in the Linux kernel did not properly validate elliptic
curve parameters during Diffie-Hellman key exchange in some
situations. An attacker could use this to expose sensitive
information. (CVE-2018-5383)

It was discovered that a heap buffer overflow existed in the Marvell
Wireless LAN device driver for the Linux kernel. An attacker could use
this to cause a denial of service (system crash) or possibly execute
arbitrary code. (CVE-2019-10126)

Andrei Vlad Lutas and Dan Lutas discovered that some x86 processors
incorrectly handle SWAPGS instructions during speculative execution. A
local attacker could use this to expose sensitive information (kernel
memory). (CVE-2019-1125)

It was discovered that the PowerPC dlpar implementation in the Linux
kernel did not properly check for allocation errors in some
situations. A local attacker could possibly use this to cause a denial
of service (system crash). (CVE-2019-12614)

It was discovered that a NULL pointer dereference vulnerabilty existed
in the Near-field communication (NFC) implementation in the Linux
kernel. An attacker could use this to cause a denial of service
(system crash). (CVE-2019-12818)

It was discovered that the MDIO bus devices subsystem in the Linux
kernel improperly dropped a device reference in an error condition,
leading to a use-after-free. An attacker could use this to cause a
denial of service (system crash). (CVE-2019-12819)

It was discovered that a NULL pointer dereference vulnerability
existed in the Near-field communication (NFC) implementation in the
Linux kernel. A local attacker could use this to cause a denial of
service (system crash). (CVE-2019-12984)

Jann Horn discovered a use-after-free vulnerability in the Linux
kernel when accessing LDT entries in some situations. A local attacker
could use this to cause a denial of service (system crash) or possibly
execute arbitrary code. (CVE-2019-13233)

Jann Horn discovered that the ptrace implementation in the Linux
kernel did not properly record credentials in some situations. A local
attacker could use this to cause a denial of service (system crash) or
possibly gain administrative privileges. (CVE-2019-13272)

It was discovered that the Empia EM28xx DVB USB device driver
implementation in the Linux kernel contained a use-after-free
vulnerability when disconnecting the device. An attacker could use
this to cause a denial of service (system crash). (CVE-2019-2024)

It was discovered that the USB video device class implementation in
the Linux kernel did not properly validate control bits, resulting in
an out of bounds buffer read. A local attacker could use this to
possibly expose sensitive information (kernel memory). (CVE-2019-2101)

It was discovered that the Marvell Wireless LAN device driver in the
Linux kernel did not properly validate the BSS descriptor. A local
attacker could possibly use this to cause a denial of service (system
crash) or possibly execute arbitrary code. (CVE-2019-3846)

It was discovered that the Appletalk IP encapsulation driver in the
Linux kernel did not properly prevent kernel addresses from being
copied to user space. A local attacker with the CAP_NET_ADMIN
capability could use this to expose sensitive information.
(CVE-2018-20511).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://usn.ubuntu.com/4094-1/"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:A/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-3846");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Linux Polkit pkexec helper PTRACE_TRACEME local root exploit');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15-azure");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15-gcp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15-generic");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15-generic-lpae");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15-gke");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15-kvm");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15-lowlatency");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15-oem");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15-oracle");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15-raspi2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15-snapdragon");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-azure");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-gcp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-generic");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-generic-hwe-16.04");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-generic-lpae");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-generic-lpae-hwe-16.04");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-gke");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-gke-4.15");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-kvm");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-lowlatency");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-lowlatency-hwe-16.04");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-oem");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-oracle");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-raspi2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-snapdragon");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-virtual");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-virtual-hwe-16.04");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:16.04");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:18.04:-:lts");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/07/02");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/08/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/08/14");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2019-2020 Canonical, Inc. / NASL script (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Ubuntu Local Security Checks");

  script_dependencies("ssh_get_info.nasl", "linux_alt_patch_detect.nasl");
  script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("ubuntu.inc");
include("ksplice.inc");

if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/Ubuntu/release");
if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu");
release = chomp(release);
if (! preg(pattern:"^(16\.04|18\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 16.04 / 18.04", "Ubuntu " + release);
if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu);

if (get_one_kb_item("Host/ksplice/kernel-cves"))
{
  rm_kb_item(name:"Host/uptrack-uname-r");
  cve_list = make_list("CVE-2018-13053", "CVE-2018-13093", "CVE-2018-13096", "CVE-2018-13097", "CVE-2018-13098", "CVE-2018-13099", "CVE-2018-13100", "CVE-2018-14609", "CVE-2018-14610", "CVE-2018-14611", "CVE-2018-14612", "CVE-2018-14613", "CVE-2018-14614", "CVE-2018-14615", "CVE-2018-14616", "CVE-2018-14617", "CVE-2018-16862", "CVE-2018-20169", "CVE-2018-20511", "CVE-2018-20856", "CVE-2018-5383", "CVE-2019-10126", "CVE-2019-1125", "CVE-2019-12614", "CVE-2019-12818", "CVE-2019-12819", "CVE-2019-12984", "CVE-2019-13233", "CVE-2019-13272", "CVE-2019-2024", "CVE-2019-2101", "CVE-2019-3846");
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, "KSplice hotfix for USN-4094-1");
  }
  else
  {
    _ubuntu_report = ksplice_reporting_text();
  }
}

flag = 0;

if (ubuntu_check(osver:"16.04", pkgname:"linux-image-4.15.0-1021-oracle", pkgver:"4.15.0-1021.23~16.04.1")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"linux-image-4.15.0-1040-gcp", pkgver:"4.15.0-1040.42~16.04.1")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"linux-image-4.15.0-1055-azure", pkgver:"4.15.0-1055.60")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"linux-image-4.15.0-58-generic", pkgver:"4.15.0-58.64~16.04.1")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"linux-image-4.15.0-58-generic-lpae", pkgver:"4.15.0-58.64~16.04.1")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"linux-image-4.15.0-58-lowlatency", pkgver:"4.15.0-58.64~16.04.1")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"linux-image-azure", pkgver:"4.15.0.1055.58")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"linux-image-gcp", pkgver:"4.15.0.1040.54")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"linux-image-generic-hwe-16.04", pkgver:"4.15.0.58.79")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"linux-image-generic-lpae-hwe-16.04", pkgver:"4.15.0.58.79")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"linux-image-gke", pkgver:"4.15.0.1040.54")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"linux-image-lowlatency-hwe-16.04", pkgver:"4.15.0.58.79")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"linux-image-oem", pkgver:"4.15.0.58.79")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"linux-image-oracle", pkgver:"4.15.0.1021.15")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"linux-image-virtual-hwe-16.04", pkgver:"4.15.0.58.79")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-4.15.0-1021-oracle", pkgver:"4.15.0-1021.23")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-4.15.0-1040-gcp", pkgver:"4.15.0-1040.42")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-4.15.0-1040-gke", pkgver:"4.15.0-1040.42")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-4.15.0-1042-kvm", pkgver:"4.15.0-1042.42")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-4.15.0-1043-raspi2", pkgver:"4.15.0-1043.46")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-4.15.0-1050-oem", pkgver:"4.15.0-1050.57")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-4.15.0-1060-snapdragon", pkgver:"4.15.0-1060.66")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-4.15.0-58-generic", pkgver:"4.15.0-58.64")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-4.15.0-58-generic-lpae", pkgver:"4.15.0-58.64")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-4.15.0-58-lowlatency", pkgver:"4.15.0-58.64")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-gcp", pkgver:"4.15.0.1040.42")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-generic", pkgver:"4.15.0.58.60")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-generic-lpae", pkgver:"4.15.0.58.60")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-gke", pkgver:"4.15.0.1040.43")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-gke-4.15", pkgver:"4.15.0.1040.43")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-kvm", pkgver:"4.15.0.1042.42")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-lowlatency", pkgver:"4.15.0.58.60")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-oem", pkgver:"4.15.0.1050.54")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-oracle", pkgver:"4.15.0.1021.24")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-raspi2", pkgver:"4.15.0.1043.41")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-snapdragon", pkgver:"4.15.0.1060.63")) flag++;
if (ubuntu_check(osver:"18.04", pkgname:"linux-image-virtual", pkgver:"4.15.0.58.60")) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : ubuntu_report_get()
  );
  exit(0);
}
else
{
  tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "linux-image-4.15-azure / linux-image-4.15-gcp / etc");
}
  • NASL familyHuawei Local Security Checks
    NASL idEULEROS_SA-2019-1520.NASL
    descriptionAccording to the versions of the kernel packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - Array index error in the tcm_vhost_make_tpg function in drivers/vhost/scsi.c in the Linux kernel before 4.0 might allow guest OS users to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted VHOST_SCSI_SET_ENDPOINT ioctl call. NOTE: the affected function was renamed to vhost_scsi_make_tpg before the vulnerability was announced.(CVE-2015-4036i1/4%0 - The llc_cmsg_rcv function in net/llc/af_llc.c in the Linux kernel before 4.5.5 does not initialize a certain data structure, which allows attackers to obtain sensitive information from kernel stack memory by reading a message.(CVE-2016-4485i1/4%0 - The nr_recvmsg function in net/netrom/af_netrom.c in the Linux kernel before 3.12.4 updates a certain length value without ensuring that an associated data structure has been initialized, which allows local users to obtain sensitive information from kernel memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call.(CVE-2013-7269i1/4%0 - The mct_u232_msr_to_state function in drivers/usb/serial/mct_u232.c in the Linux kernel before 4.5.1 allows physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a crafted USB device without two interrupt-in endpoint descriptors.(CVE-2016-3136i1/4%0 - An out-of-bounds memory access flaw, CVE-2014-7825, was found in the syscall tracing functionality of the Linux kernel
    last seen2020-03-19
    modified2019-05-14
    plugin id124973
    published2019-05-14
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/124973
    titleEulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1520)
    code
    #
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(124973);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/19");

  script_cve_id(
    "CVE-2013-7269",
    "CVE-2014-2309",
    "CVE-2014-3647",
    "CVE-2014-7826",
    "CVE-2015-2922",
    "CVE-2015-4036",
    "CVE-2015-7550",
    "CVE-2016-3136",
    "CVE-2016-4482",
    "CVE-2016-4485",
    "CVE-2016-8630",
    "CVE-2016-8646",
    "CVE-2017-18221",
    "CVE-2017-18261",
    "CVE-2017-7294",
    "CVE-2018-10881",
    "CVE-2018-1120",
    "CVE-2018-13099",
    "CVE-2018-14612",
    "CVE-2018-20784"
  );
  script_bugtraq_id(
    64742,
    66095,
    70748,
    70971,
    74315,
    74664
  );

  script_name(english:"EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1520)");
  script_summary(english:"Checks the rpm output for the updated packages.");

  script_set_attribute(attribute:"synopsis", value:
"The remote EulerOS Virtualization for ARM 64 host is missing multiple security
updates.");
  script_set_attribute(attribute:"description", value:
"According to the versions of the kernel packages installed, the
EulerOS Virtualization for ARM 64 installation on the remote host is
affected by the following vulnerabilities :

  - Array index error in the tcm_vhost_make_tpg function in
    drivers/vhost/scsi.c in the Linux kernel before 4.0
    might allow guest OS users to cause a denial of service
    (memory corruption) or possibly have unspecified other
    impact via a crafted VHOST_SCSI_SET_ENDPOINT ioctl
    call. NOTE: the affected function was renamed to
    vhost_scsi_make_tpg before the vulnerability was
    announced.(CVE-2015-4036i1/4%0

  - The llc_cmsg_rcv function in net/llc/af_llc.c in the
    Linux kernel before 4.5.5 does not initialize a certain
    data structure, which allows attackers to obtain
    sensitive information from kernel stack memory by
    reading a message.(CVE-2016-4485i1/4%0

  - The nr_recvmsg function in net/netrom/af_netrom.c in
    the Linux kernel before 3.12.4 updates a certain length
    value without ensuring that an associated data
    structure has been initialized, which allows local
    users to obtain sensitive information from kernel
    memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg
    system call.(CVE-2013-7269i1/4%0

  - The mct_u232_msr_to_state function in
    drivers/usb/serial/mct_u232.c in the Linux kernel
    before 4.5.1 allows physically proximate attackers to
    cause a denial of service (NULL pointer dereference and
    system crash) via a crafted USB device without two
    interrupt-in endpoint descriptors.(CVE-2016-3136i1/4%0

  - An out-of-bounds memory access flaw, CVE-2014-7825, was
    found in the syscall tracing functionality of the Linux
    kernel's perf subsystem. A local, unprivileged user
    could use this flaw to crash the system. Additionally,
    an out-of-bounds memory access flaw, CVE-2014-7826, was
    found in the syscall tracing functionality of the Linux
    kernel's ftrace subsystem. On a system with ftrace
    syscall tracing enabled, a local, unprivileged user
    could use this flaw to crash the system, or escalate
    their privileges.(CVE-2014-7826i1/4%0

  - Linux kernel built with the Kernel-based Virtual
    Machine (CONFIG_KVM) support is vulnerable to a null
    pointer dereference flaw. It could occur on x86
    platform, when emulating an undefined instruction. An
    attacker could use this flaw to crash the host kernel
    resulting in DoS.(CVE-2016-8630i1/4%0

  - A flaw was found in the Linux kernel's ext4 filesystem.
    A local user can cause an out-of-bound access in
    ext4_get_group_info function, a denial of service, and
    a system crash by mounting and operating on a crafted
    ext4 filesystem image.(CVE-2018-10881i1/4%0

  - The arch_timer_reg_read_stable macro in
    arch/arm64/include/asm/arch_timer.h in the Linux kernel
    before 4.13 allows local users to cause a denial of
    service (infinite recursion) by writing to a file under
    /sys/kernel/debug in certain circumstances, as
    demonstrated by a scenario involving debugfs, ftrace,
    PREEMPT_TRACER, and
    FUNCTION_GRAPH_TRACER.(CVE-2017-18261i1/4%0

  - The ip6_route_add function in net/ipv6/route.c in the
    Linux kernel through 3.13.6 does not properly count the
    addition of routes, which allows remote attackers to
    cause a denial of service (memory consumption) via a
    flood of ICMPv6 Router Advertisement
    packets.(CVE-2014-2309i1/4%0

  - In the Linux kernel before 4.20.2, kernel/sched/fair.c
    mishandles leaf cfs_rq's, which allows attackers to
    cause a denial of service (infinite loop in
    update_blocked_averages) or possibly have unspecified
    other impact by inducing a high load.(CVE-2018-20784i1/4%0

  - An issue was discovered in the F2FS filesystem code in
    fs/f2fs/inline.c in the Linux kernel. A denial of
    service due to the out-of-bounds memory access can
    occur for a modified f2fs filesystem
    image.(CVE-2018-13099i1/4%0

  - An out-of-bounds write vulnerability was found in the
    Linux kernel's vmw_surface_define_ioctl() function, in
    the 'drivers/gpu/drm/vmwgfx/vmwgfx_surface.c' file. Due
    to the nature of the flaw, privilege escalation cannot
    be fully ruled out, although we believe it is
    unlikely.(CVE-2017-7294i1/4%0

  - A flaw was found in the way the Linux kernel's KVM
    subsystem handled non-canonical addresses when
    emulating instructions that change the RIP (for
    example, branches or calls). A guest user with access
    to an I/O or MMIO region could use this flaw to crash
    the guest.(CVE-2014-3647i1/4%0

  - The __munlock_pagevec function in mm/mlock.c in the
    Linux kernel, before 4.11.4, allows local users to
    cause a denial of service (NR_MLOCK accounting
    corruption) via crafted use of mlockall and munlockall
    system calls.(CVE-2017-18221i1/4%0

  - ** RESERVED ** This candidate has been reserved by an
    organization or individual that will use it when
    announcing a new security problem. When the candidate
    has been publicized, the details for this candidate
    will be provided.(CVE-2018-1120i1/4%0

  - The proc_connectinfo() function in
    'drivers/usb/core/devio.c' in the Linux kernel through
    4.6 does not initialize a certain data structure, which
    allows local users to obtain sensitive information from
    kernel stack memory via a crafted USBDEVFS_CONNECTINFO
    ioctl call. The stack object 'ci' has a total size of 8
    bytes. Its last 3 bytes are padding bytes which are not
    initialized and are leaked to
    userland.(CVE-2016-4482i1/4%0

  - A vulnerability was found in the Linux kernel. An
    unprivileged local user could trigger oops in
    shash_async_export() by attempting to force the
    in-kernel hashing algorithms into decrypting an empty
    data set.(CVE-2016-8646i1/4%0

  - An issue was discovered in the btrfs filesystem code in
    the Linux kernel. An invalid NULL pointer dereference
    in btrfs_root_node() when mounting a crafted btrfs
    image is due to a lack of chunk block group mapping
    validation in btrfs_read_block_groups() in the
    fs/btrfs/extent-tree.c function and a lack of
    empty-tree checks in check_leaf() in
    fs/btrfs/tree-checker.c function. This could lead to a
    system crash and a denial of service.(CVE-2018-14612i1/4%0

  - It was found that the Linux kernel's TCP/IP protocol
    suite implementation for IPv6 allowed the Hop Limit
    value to be set to a smaller value than the default
    one. An attacker on a local network could use this flaw
    to prevent systems on that network from sending or
    receiving network packets.(CVE-2015-2922i1/4%0

  - A NULL-pointer dereference flaw was found in the
    kernel, which is caused by a race between revoking a
    user-type key and reading from it. The issue could be
    triggered by an unprivileged user with a local account,
    causing the kernel to crash (denial of
    service).(CVE-2015-7550i1/4%0

Note that Tenable Network Security has extracted the preceding
description block directly from the EulerOS security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.");
  # https://developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2019-1520
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?f904a7a8");
  script_set_attribute(attribute:"solution", value:
"Update the affected kernel packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");

  script_set_attribute(attribute:"patch_publication_date", value:"2019/05/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/05/14");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:kernel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:kernel-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:kernel-headers");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:kernel-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:kernel-tools-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:kernel-tools-libs-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:perf");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:python-perf");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:huawei:euleros:uvp:3.0.1.0");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Huawei Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/EulerOS/release", "Host/EulerOS/rpm-list", "Host/EulerOS/uvp_version");

  exit(0);
}

include("audit.inc");
include("global_settings.inc");
include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);

release = get_kb_item("Host/EulerOS/release");
if (isnull(release) || release !~ "^EulerOS") audit(AUDIT_OS_NOT, "EulerOS");
uvp = get_kb_item("Host/EulerOS/uvp_version");
if (uvp != "3.0.1.0") audit(AUDIT_OS_NOT, "EulerOS Virtualization 3.0.1.0");
if (!get_kb_item("Host/EulerOS/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "aarch64" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "EulerOS", cpu);
if ("aarch64" >!< cpu) audit(AUDIT_ARCH_NOT, "aarch64", cpu);

flag = 0;

pkgs = ["kernel-4.19.28-1.2.117",
        "kernel-devel-4.19.28-1.2.117",
        "kernel-headers-4.19.28-1.2.117",
        "kernel-tools-4.19.28-1.2.117",
        "kernel-tools-libs-4.19.28-1.2.117",
        "kernel-tools-libs-devel-4.19.28-1.2.117",
        "perf-4.19.28-1.2.117",
        "python-perf-4.19.28-1.2.117"];

foreach (pkg in pkgs)
  if (rpm_check(release:"EulerOS-2.0", reference:pkg)) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "kernel");
}
  • NASL familyDebian Local Security Checks
    NASL idDEBIAN_DLA-1715.NASL
    descriptionSeveral vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. CVE-2017-18249 A race condition was discovered in the disk space allocator of F2FS. A user with access to an F2FS volume could use this to cause a denial of service or other security impact. CVE-2018-1128, CVE-2018-1129 The cephx authentication protocol used by Ceph was susceptible to replay attacks, and calculated signatures incorrectly. These vulnerabilities in the server required changes to authentication that are incompatible with existing clients. The kernel
    last seen2020-06-01
    modified2020-06-02
    plugin id122879
    published2019-03-18
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/122879
    titleDebian DLA-1715-1 : linux-4.9 security update (Spectre)
    code
    #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DLA-1715-1. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(122879);
  script_version("1.4");
  script_cvs_date("Date: 2020/02/05");

  script_cve_id("CVE-2017-18249", "CVE-2018-1128", "CVE-2018-1129", "CVE-2018-12896", "CVE-2018-13053", "CVE-2018-13096", "CVE-2018-13097", "CVE-2018-13100", "CVE-2018-13406", "CVE-2018-14610", "CVE-2018-14611", "CVE-2018-14612", "CVE-2018-14613", "CVE-2018-14614", "CVE-2018-14616", "CVE-2018-15471", "CVE-2018-16862", "CVE-2018-17972", "CVE-2018-18281", "CVE-2018-18690", "CVE-2018-18710", "CVE-2018-19407", "CVE-2018-3639", "CVE-2018-5391", "CVE-2018-5848", "CVE-2018-6554");

  script_name(english:"Debian DLA-1715-1 : linux-4.9 security update (Spectre)");
  script_summary(english:"Checks dpkg output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Several vulnerabilities have been discovered in the Linux kernel that
may lead to a privilege escalation, denial of service or information
leaks.

CVE-2017-18249

A race condition was discovered in the disk space allocator of F2FS. A
user with access to an F2FS volume could use this to cause a denial of
service or other security impact.

CVE-2018-1128, CVE-2018-1129

The cephx authentication protocol used by Ceph was susceptible to
replay attacks, and calculated signatures incorrectly. These
vulnerabilities in the server required changes to authentication that
are incompatible with existing clients. The kernel's client code has
now been updated to be compatible with the fixed server.

CVE-2018-3639 (SSB)

Multiple researchers have discovered that Speculative Store Bypass
(SSB), a feature implemented in many processors, could be used to read
sensitive information from another context. In particular, code in a
software sandbox may be able to read sensitive information from
outside the sandbox. This issue is also known as Spectre variant 4.

This update adds a further mitigation for this issue in the
eBPF (Extended Berkeley Packet Filter) implementation.

CVE-2018-5391 (FragmentSmack)

Juha-Matti Tilli discovered a flaw in the way the Linux kernel handled
reassembly of fragmented IPv4 and IPv6 packets. A remote attacker can
take advantage of this flaw to trigger time and calculation expensive
fragment reassembly algorithms by sending specially crafted packets,
leading to remote denial of service.

This was previously mitigated by reducing the default limits
on memory usage for incomplete fragmented packets. This
update replaces that mitigation with a more complete fix.

CVE-2018-5848

The wil6210 wifi driver did not properly validate lengths in scan and
connection requests, leading to a possible buffer overflow. On systems
using this driver, a local user with the CAP_NET_ADMIN capability
could use this for denial of service (memory corruption or crash) or
potentially for privilege escalation.

CVE-2018-12896, CVE-2018-13053

Team OWL337 reported possible integer overflows in the POSIX timer
implementation. These might have some security impact.

CVE-2018-13096, CVE-2018-13097, CVE-2018-13100, CVE-2018-14614,
CVE-2018-14616

Wen Xu from SSLab at Gatech reported that crafted F2FS volumes could
trigger a crash (BUG, Oops, or division by zero) and/or out-of-bounds
memory access. An attacker able to mount such a volume could use this
to cause a denial of service or possibly for privilege escalation.

CVE-2018-13406

Dr Silvio Cesare of InfoSect reported a potential integer overflow in
the uvesafb driver. A user with permission to access such a device
might be able to use this for denial of service or privilege
escalation.

CVE-2018-14610, CVE-2018-14611, CVE-2018-14612, CVE-2018-14613

Wen Xu from SSLab at Gatech reported that crafted Btrfs volumes could
trigger a crash (Oops) and/or out-of-bounds memory access. An attacker
able to mount such a volume could use this to cause a denial of
service or possibly for privilege escalation.

CVE-2018-15471 ((XSA-270)

Felix Wilhelm of Google Project Zero discovered a flaw in the hash
handling of the xen-netback Linux kernel module. A malicious or buggy
frontend may cause the (usually privileged) backend to make out of
bounds memory accesses, potentially resulting in privilege escalation,
denial of service, or information leaks.

https://xenbits.xen.org/xsa/advisory-270.html

CVE-2018-16862

Vasily Averin and Pavel Tikhomirov from Virtuozzo Kernel Team
discovered that the cleancache memory management feature did not
invalidate cached data for deleted files. On Xen guests using the tmem
driver, local users could potentially read data from other users'
deleted files if they were able to create new files on the same
volume.

CVE-2018-17972

Jann Horn reported that the /proc/*/stack files in procfs leaked
sensitive data from the kernel. These files are now only readable by
users with the CAP_SYS_ADMIN capability (usually only root)

CVE-2018-18281

Jann Horn reported a race condition in the virtual memory manager that
can result in a process briefly having access to memory after it is
freed and reallocated. A local user could possibly exploit this for
denial of service (memory corruption) or for privilege escalation.

CVE-2018-18690

Kanda Motohiro reported that XFS did not correctly handle some xattr
(extended attribute) writes that require changing the disk format of
the xattr. A user with access to an XFS volume could use this for
denial of service.

CVE-2018-18710

It was discovered that the cdrom driver does not correctly validate
the parameter to the CDROM_SELECT_DISC ioctl. A user with access to a
cdrom device could use this to read sensitive information from the
kernel or to cause a denial of service (crash).

CVE-2018-19407

Wei Wu reported a potential crash (Oops) in the KVM implementation for
x86 processors. A user with access to /dev/kvm could use this for
denial of service.

For Debian 8 'Jessie', these problems have been fixed in version
4.9.144-3.1~deb8u1. This version also includes fixes for Debian bugs
#890034, #896911, #907581, #915229, and #915231; and other fixes
included in upstream stable updates.

We recommend that you upgrade your linux-4.9 packages.

NOTE: Tenable Network Security has extracted the preceding description
block directly from the DLA security advisory. Tenable has attempted
to automatically clean and format it as much as possible without
introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/jessie/linux-4.9"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://xenbits.xen.org/xsa/advisory-270.html"
  );
  script_set_attribute(attribute:"solution", value:"Upgrade the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-13406");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-compiler-gcc-4.9-arm");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-doc-4.9");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-4.9.0-0.bpo.7-686");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-4.9.0-0.bpo.7-686-pae");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-4.9.0-0.bpo.7-all");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-4.9.0-0.bpo.7-all-amd64");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-4.9.0-0.bpo.7-all-armel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-4.9.0-0.bpo.7-all-armhf");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-4.9.0-0.bpo.7-all-i386");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-4.9.0-0.bpo.7-amd64");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-4.9.0-0.bpo.7-armmp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-4.9.0-0.bpo.7-armmp-lpae");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-4.9.0-0.bpo.7-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-4.9.0-0.bpo.7-common-rt");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-4.9.0-0.bpo.7-marvell");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-4.9.0-0.bpo.7-rt-686-pae");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-4.9.0-0.bpo.7-rt-amd64");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-4.9.0-0.bpo.7-686");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-4.9.0-0.bpo.7-686-pae");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-4.9.0-0.bpo.7-686-pae-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-4.9.0-0.bpo.7-amd64");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-4.9.0-0.bpo.7-amd64-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-4.9.0-0.bpo.7-armmp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-4.9.0-0.bpo.7-armmp-lpae");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-4.9.0-0.bpo.7-marvell");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-4.9.0-0.bpo.7-rt-686-pae");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-4.9.0-0.bpo.7-rt-686-pae-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-4.9.0-0.bpo.7-rt-amd64");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-4.9.0-0.bpo.7-rt-amd64-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-kbuild-4.9");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-manual-4.9");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-perf-4.9");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-source-4.9");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-support-4.9.0-0.bpo.7");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:8.0");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/03/26");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/03/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/03/18");
  script_set_attribute(attribute:"in_the_news", value:"true");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Debian Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("debian_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"8.0", prefix:"linux-compiler-gcc-4.9-arm", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-doc-4.9", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-686", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-686-pae", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-all", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-all-amd64", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-all-armel", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-all-armhf", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-all-i386", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-amd64", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-armmp", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-armmp-lpae", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-common", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-common-rt", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-marvell", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-rt-686-pae", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-rt-amd64", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-686", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-686-pae", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-686-pae-dbg", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-amd64", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-amd64-dbg", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-armmp", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-armmp-lpae", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-marvell", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-rt-686-pae", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-rt-686-pae-dbg", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-rt-amd64", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-rt-amd64-dbg", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-kbuild-4.9", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-manual-4.9", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-perf-4.9", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-source-4.9", reference:"4.9.144-3.1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-support-4.9.0-0.bpo.7", reference:"4.9.144-3.1~deb8u1")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
  • NASL familyDebian Local Security Checks
    NASL idDEBIAN_DLA-2241.NASL
    descriptionThis update is now available for all supported architectures. For reference the original advisory text follows. Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. CVE-2015-8839 A race condition was found in the ext4 filesystem implementation. A local user could exploit this to cause a denial of service (filesystem corruption). CVE-2018-14610, CVE-2018-14611, CVE-2018-14612, CVE-2018-14613 Wen Xu from SSLab at Gatech reported that crafted Btrfs volumes could trigger a crash (Oops) and/or out-of-bounds memory access. An attacker able to mount such a volume could use this to cause a denial of service or possibly for privilege escalation. CVE-2019-5108 Mitchell Frank of Cisco discovered that when the IEEE 802.11 (WiFi) stack was used in AP mode with roaming, it would trigger roaming for a newly associated station before the station was authenticated. An attacker within range of the AP could use this to cause a denial of service, either by filling up a switching table or by redirecting traffic away from other stations. CVE-2019-19319 Jungyeon discovered that a crafted filesystem can cause the ext4 implementation to deallocate or reallocate journal blocks. A user permitted to mount filesystems could use this to cause a denial of service (crash), or possibly for privilege escalation. CVE-2019-19447 It was discovered that the ext4 filesystem driver did not safely handle unlinking of an inode that, due to filesystem corruption, already has a link count of 0. An attacker able to mount arbitrary ext4 volumes could use this to cause a denial of service (memory corruption or crash) or possibly for privilege escalation. CVE-2019-19768 Tristan Madani reported a race condition in the blktrace debug facility that could result in a use-after-free. A local user able to trigger removal of block devices could possibly use this to cause a denial of service (crash) or for privilege escalation. CVE-2019-20636 The syzbot tool found that the input subsystem did not fully validate keycode changes, which could result in a heap out-of-bounds write. A local user permitted to access the device node for an input or VT device could possibly use this to cause a denial of service (crash or memory corruption) or for privilege escalation. CVE-2020-0009 Jann Horn reported that the Android ashmem driver did not prevent read-only files from being memory-mapped and then remapped as read-write. However, Android drivers are not enabled in Debian kernel configurations. CVE-2020-0543 Researchers at VU Amsterdam discovered that on some Intel CPUs supporting the RDRAND and RDSEED instructions, part of a random value generated by these instructions may be used in a later speculative execution on any core of the same physical CPU. Depending on how these instructions are used by applications, a local user or VM guest could use this to obtain sensitive information such as cryptographic keys from other users or VMs. This vulnerability can be mitigated by a microcode update, either as part of system firmware (BIOS) or through the intel-microcode package in Debian
    last seen2020-06-13
    modified2020-06-10
    plugin id137283
    published2020-06-10
    reporterThis script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/137283
    titleDebian DLA-2241-2 : linux security update
    code
    #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DLA-2241-2. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(137283);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/12");

  script_cve_id("CVE-2015-8839", "CVE-2018-14610", "CVE-2018-14611", "CVE-2018-14612", "CVE-2018-14613", "CVE-2019-19319", "CVE-2019-19447", "CVE-2019-19768", "CVE-2019-20636", "CVE-2019-5108", "CVE-2020-0009", "CVE-2020-0543", "CVE-2020-10690", "CVE-2020-10751", "CVE-2020-10942", "CVE-2020-11494", "CVE-2020-11565", "CVE-2020-11608", "CVE-2020-11609", "CVE-2020-11668", "CVE-2020-12114", "CVE-2020-12464", "CVE-2020-12652", "CVE-2020-12653", "CVE-2020-12654", "CVE-2020-12769", "CVE-2020-12770", "CVE-2020-12826", "CVE-2020-13143", "CVE-2020-1749", "CVE-2020-2732", "CVE-2020-8647", "CVE-2020-8648", "CVE-2020-8649", "CVE-2020-9383");

  script_name(english:"Debian DLA-2241-2 : linux security update");
  script_summary(english:"Checks dpkg output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis",
    value:"The remote Debian host is missing a security update."
  );
  script_set_attribute(
    attribute:"description",
    value:
"This update is now available for all supported architectures. For
reference the original advisory text follows.

Several vulnerabilities have been discovered in the Linux kernel that
may lead to a privilege escalation, denial of service or information
leaks.

CVE-2015-8839

A race condition was found in the ext4 filesystem implementation. A
local user could exploit this to cause a denial of service (filesystem
corruption).

CVE-2018-14610, CVE-2018-14611, CVE-2018-14612, CVE-2018-14613

Wen Xu from SSLab at Gatech reported that crafted Btrfs volumes could
trigger a crash (Oops) and/or out-of-bounds memory access. An attacker
able to mount such a volume could use this to cause a denial of
service or possibly for privilege escalation.

CVE-2019-5108

Mitchell Frank of Cisco discovered that when the IEEE 802.11 (WiFi)
stack was used in AP mode with roaming, it would trigger roaming for a
newly associated station before the station was authenticated. An
attacker within range of the AP could use this to cause a denial of
service, either by filling up a switching table or by redirecting
traffic away from other stations.

CVE-2019-19319

Jungyeon discovered that a crafted filesystem can cause the ext4
implementation to deallocate or reallocate journal blocks. A user
permitted to mount filesystems could use this to cause a denial of
service (crash), or possibly for privilege escalation.

CVE-2019-19447

It was discovered that the ext4 filesystem driver did not safely
handle unlinking of an inode that, due to filesystem corruption,
already has a link count of 0. An attacker able to mount arbitrary
ext4 volumes could use this to cause a denial of service (memory
corruption or crash) or possibly for privilege escalation.

CVE-2019-19768

Tristan Madani reported a race condition in the blktrace debug
facility that could result in a use-after-free. A local user able to
trigger removal of block devices could possibly use this to cause a
denial of service (crash) or for privilege escalation.

CVE-2019-20636

The syzbot tool found that the input subsystem did not fully validate
keycode changes, which could result in a heap out-of-bounds write. A
local user permitted to access the device node for an input or VT
device could possibly use this to cause a denial of service (crash or
memory corruption) or for privilege escalation.

CVE-2020-0009

Jann Horn reported that the Android ashmem driver did not prevent
read-only files from being memory-mapped and then remapped as
read-write. However, Android drivers are not enabled in Debian kernel
configurations.

CVE-2020-0543

Researchers at VU Amsterdam discovered that on some Intel CPUs
supporting the RDRAND and RDSEED instructions, part of a random value
generated by these instructions may be used in a later speculative
execution on any core of the same physical CPU. Depending on how these
instructions are used by applications, a local user or VM guest could
use this to obtain sensitive information such as cryptographic keys
from other users or VMs.

This vulnerability can be mitigated by a microcode update,
either as part of system firmware (BIOS) or through the
intel-microcode package in Debian's non-free archive
section. This kernel update only provides reporting of the
vulnerability and the option to disable the mitigation if it
is not needed.

CVE-2020-1749

Xiumei Mu reported that some network protocols that can run on top of
IPv6 would bypass the Transformation (XFRM) layer used by IPsec,
IPcomp/IPcomp6, IPIP, and IPv6 Mobility. This could result in
disclosure of information over the network, since it would not be
encrypted or routed according to the system policy.

CVE-2020-2732

Paulo Bonzini discovered that the KVM implementation for Intel
processors did not properly handle instruction emulation for L2 guests
when nested virtualization is enabled. This could allow an L2 guest to
cause privilege escalation, denial of service, or information leaks in
the L1 guest.

CVE-2020-8647, CVE-2020-8649

The Hulk Robot tool found a potential MMIO out-of-bounds access in the
vgacon driver. A local user permitted to access a virtual terminal
(/dev/tty1 etc.) on a system using the vgacon driver could use this to
cause a denial of service (crash or memory corruption) or possibly for
privilege escalation.

CVE-2020-8648

The syzbot tool found a race condition in the the virtual terminal
driver, which could result in a use-after-free. A local user permitted
to access a virtual terminal could use this to cause a denial of
service (crash or memory corruption) or possibly for privilege
escalation.

CVE-2020-9383

Jordy Zomer reported an incorrect range check in the floppy driver
which could lead to a static out-of-bounds access. A local user
permitted to access a floppy drive could use this to cause a denial of
service (crash or memory corruption) or possibly for privilege
escalation.

CVE-2020-10690

It was discovered that the PTP hardware clock subsystem did not
properly manage device lifetimes. Removing a PTP hardware clock from
the system while a user process was using it could lead to a
use-after-free. The security impact of this is unclear.

CVE-2020-10751

Dmitry Vyukov reported that the SELinux subsystem did not properly
handle validating multiple messages, which could allow a privileged
attacker to bypass SELinux netlink restrictions.

CVE-2020-10942

It was discovered that the vhost_net driver did not properly validate
the type of sockets set as back-ends. A local user permitted to access
/dev/vhost-net could use this to cause a stack corruption via crafted
system calls, resulting in denial of service (crash) or possibly
privilege escalation.

CVE-2020-11494

It was discovered that the slcan (serial line CAN) network driver did
not fully initialise CAN headers for received packets, resulting in an
information leak from the kernel to user-space or over the CAN
network.

CVE-2020-11565

Entropy Moe reported that the shared memory filesystem (tmpfs) did not
correctly handle an 'mpol' mount option specifying an empty node list,
leading to a stack-based out-of-bounds write. If user namespaces are
enabled, a local user could use this to cause a denial of service
(crash) or possibly for privilege escalation.

CVE-2020-11608, CVE-2020-11609, CVE-2020-11668

It was discovered that the ov519, stv06xx, and xirlink_cit media
drivers did not properly validate USB device descriptors. A physically
present user with a specially constructed USB device could use this to
cause a denial of service (crash) or possibly for privilege
escalation.

CVE-2020-12114

Piotr Krysiuk discovered a race condition between the umount and
pivot_root operations in the filesystem core (vfs). A local user with
the CAP_SYS_ADMIN capability in any user namespace could use this to
cause a denial of service (crash).

CVE-2020-12464

Kyungtae Kim reported a race condition in the USB core that can result
in a use-after-free. It is not clear how this can be exploited, but it
could result in a denial of service (crash or memory corruption) or
privilege escalation.

CVE-2020-12652

Tom Hatskevich reported a bug in the mptfusion storage drivers. An
ioctl handler fetched a parameter from user memory twice, creating a
race condition which could result in incorrect locking of internal
data structures. A local user permitted to access /dev/mptctl could
use this to cause a denial of service (crash or memory corruption) or
for privilege escalation.

CVE-2020-12653

It was discovered that the mwifiex WiFi driver did not sufficiently
validate scan requests, resulting a potential heap buffer overflow. A
local user with CAP_NET_ADMIN capability could use this to cause a
denial of service (crash or memory corruption) or possibly for
privilege escalation.

CVE-2020-12654

It was discovered that the mwifiex WiFi driver did not sufficiently
validate WMM parameters received from an access point (AP), resulting
a potential heap buffer overflow. A malicious AP could use this to
cause a denial of service (crash or memory corruption) or possibly to
execute code on a vulnerable system.

CVE-2020-12769

It was discovered that the spi-dw SPI host driver did not properly
serialise access to its internal state. The security impact of this is
unclear, and this driver is not included in Debian's binary packages.

CVE-2020-12770

It was discovered that the sg (SCSI generic) driver did not correctly
release internal resources in a particular error case. A local user
permitted to access an sg device could possibly use this to cause a
denial of service (resource exhaustion).

CVE-2020-12826

Adam Zabrocki reported a weakness in the signal subsystem's permission
checks. A parent process can choose an arbitary signal for a child
process to send when it exits, but if the parent has executed a new
program then the default SIGCHLD signal is sent. A local user
permitted to run a program for several days could bypass this check,
execute a setuid program, and then send an arbitrary signal to it.
Depending on the setuid programs installed, this could have some
security impact.

CVE-2020-13143

Kyungtae Kim reported a potential heap out-of-bounds write in the USB
gadget subsystem. A local user permitted to write to the gadget
configuration filesystem could use this to cause a denial of service
(crash or memory corruption) or potentially for privilege escalation.

For Debian 8 'Jessie', these problems have been fixed in version
3.16.84-1.

We recommend that you upgrade your linux packages.

NOTE: Tenable Network Security has extracted the preceding description
block directly from the DLA security advisory. Tenable has attempted
to automatically clean and format it as much as possible without
introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/jessie/linux"
  );
  script_set_attribute(attribute:"solution", value:"Upgrade the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-12464");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-compiler-gcc-4.8-arm");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-compiler-gcc-4.8-x86");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-compiler-gcc-4.9-x86");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-doc-3.16");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-586");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-686-pae");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-all");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-all-amd64");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-all-armel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-all-armhf");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-all-i386");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-amd64");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-armmp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-armmp-lpae");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-ixp4xx");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-kirkwood");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-orion5x");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-versatile");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-586");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-686-pae");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-686-pae-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-amd64");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-amd64-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-armmp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-armmp-lpae");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-ixp4xx");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-kirkwood");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-orion5x");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-versatile");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-libc-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-manual-3.16");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-source-3.16");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:linux-support-3.16.0-9");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:xen-linux-system-3.16.0-9-amd64");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:8.0");

  script_set_attribute(attribute:"vuln_publication_date", value:"2016/05/02");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/06/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/06/10");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Debian Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("debian_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"8.0", prefix:"linux-compiler-gcc-4.8-arm", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-compiler-gcc-4.8-x86", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-compiler-gcc-4.9-x86", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-doc-3.16", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-586", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-686-pae", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-all", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-all-amd64", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-all-armel", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-all-armhf", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-all-i386", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-amd64", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-armmp", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-armmp-lpae", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-common", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-ixp4xx", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-kirkwood", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-orion5x", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-versatile", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-586", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-686-pae", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-686-pae-dbg", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-amd64", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-amd64-dbg", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-armmp", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-armmp-lpae", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-ixp4xx", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-kirkwood", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-orion5x", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-versatile", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-libc-dev", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-manual-3.16", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-source-3.16", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"linux-support-3.16.0-9", reference:"3.16.84-1")) flag++;
if (deb_check(release:"8.0", prefix:"xen-linux-system-3.16.0-9-amd64", reference:"3.16.84-1")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
  • NASL familyUbuntu Local Security Checks
    NASL idUBUNTU_USN-3932-2.NASL
    descriptionUSN-3932-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. It was discovered that a race condition existed in the f2fs file system implementation in the Linux kernel. A local attacker could use this to cause a denial of service. (CVE-2017-18249) Wen Xu discovered that the f2fs file system implementation in the Linux kernel did not properly validate metadata. An attacker could use this to construct a malicious f2fs image that, when mounted, could cause a denial of service (system crash). (CVE-2018-13097, CVE-2018-13099, CVE-2018-13100, CVE-2018-14614, CVE-2018-14616) Wen Xu and Po-Ning Tseng discovered that btrfs file system implementation in the Linux kernel did not properly validate metadata. An attacker could use this to construct a malicious btrfs image that, when mounted, could cause a denial of service (system crash). (CVE-2018-14610, CVE-2018-14611, CVE-2018-14612, CVE-2018-14613) Vasily Averin and Evgenii Shatokhin discovered that a use-after-free vulnerability existed in the NFS41+ subsystem when multiple network namespaces are in use. A local attacker in a container could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-16884) It was discovered that a use-after-free vulnerability existed in the PPP over L2TP implementation in the Linux kernel. A privileged local attacker could use this to possibly execute arbitrary code. (CVE-2018-9517) Shlomi Oberman, Yuli Shapiro, and Ran Menscher discovered an information leak in the Bluetooth implementation of the Linux kernel. An attacker within Bluetooth range could use this to expose sensitive information (kernel memory). (CVE-2019-3459, CVE-2019-3460) Jann Horn discovered that the KVM implementation in the Linux kernel contained a use-after-free vulnerability. An attacker in a guest VM with access to /dev/kvm could use this to cause a denial of service (guest VM crash). (CVE-2019-6974) Jim Mattson and Felix Wilhelm discovered a use-after-free vulnerability in the KVM subsystem of the Linux kernel, when using nested virtual machines. A local attacker in a guest VM could use this to cause a denial of service (system crash) or possibly execute arbitrary code in the host system. (CVE-2019-7221) Felix Wilhelm discovered that an information leak vulnerability existed in the KVM subsystem of the Linux kernel, when nested virtualization is used. A local attacker could use this to expose sensitive information (host system memory to a guest VM). (CVE-2019-7222) Jann Horn discovered that the mmap implementation in the Linux kernel did not properly check for the mmap minimum address in some situations. A local attacker could use this to assist exploiting a kernel NULL pointer dereference vulnerability. (CVE-2019-9213) Muyu Yu discovered that the CAN implementation in the Linux kernel in some situations did not properly restrict the field size when processing outgoing frames. A local attacker with CAP_NET_ADMIN privileges could use this to execute arbitrary code. (CVE-2019-3701) Vladis Dronov discovered that the debug interface for the Linux kernel
    last seen2020-06-01
    modified2020-06-02
    plugin id123681
    published2019-04-03
    reporterUbuntu Security Notice (C) 2019-2020 Canonical, Inc. / NASL script (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/123681
    titleUbuntu 14.04 LTS : linux-lts-xenial, linux-aws vulnerabilities (USN-3932-2)
  • NASL familyUbuntu Local Security Checks
    NASL idUBUNTU_USN-3932-1.NASL
    descriptionIt was discovered that a race condition existed in the f2fs file system implementation in the Linux kernel. A local attacker could use this to cause a denial of service. (CVE-2017-18249) Wen Xu discovered that the f2fs file system implementation in the Linux kernel did not properly validate metadata. An attacker could use this to construct a malicious f2fs image that, when mounted, could cause a denial of service (system crash). (CVE-2018-13097, CVE-2018-13099, CVE-2018-13100, CVE-2018-14614, CVE-2018-14616) Wen Xu and Po-Ning Tseng discovered that btrfs file system implementation in the Linux kernel did not properly validate metadata. An attacker could use this to construct a malicious btrfs image that, when mounted, could cause a denial of service (system crash). (CVE-2018-14610, CVE-2018-14611, CVE-2018-14612, CVE-2018-14613) Vasily Averin and Evgenii Shatokhin discovered that a use-after-free vulnerability existed in the NFS41+ subsystem when multiple network namespaces are in use. A local attacker in a container could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-16884) It was discovered that a use-after-free vulnerability existed in the PPP over L2TP implementation in the Linux kernel. A privileged local attacker could use this to possibly execute arbitrary code. (CVE-2018-9517) Shlomi Oberman, Yuli Shapiro, and Ran Menscher discovered an information leak in the Bluetooth implementation of the Linux kernel. An attacker within Bluetooth range could use this to expose sensitive information (kernel memory). (CVE-2019-3459, CVE-2019-3460) Jann Horn discovered that the KVM implementation in the Linux kernel contained a use-after-free vulnerability. An attacker in a guest VM with access to /dev/kvm could use this to cause a denial of service (guest VM crash). (CVE-2019-6974) Jim Mattson and Felix Wilhelm discovered a use-after-free vulnerability in the KVM subsystem of the Linux kernel, when using nested virtual machines. A local attacker in a guest VM could use this to cause a denial of service (system crash) or possibly execute arbitrary code in the host system. (CVE-2019-7221) Felix Wilhelm discovered that an information leak vulnerability existed in the KVM subsystem of the Linux kernel, when nested virtualization is used. A local attacker could use this to expose sensitive information (host system memory to a guest VM). (CVE-2019-7222) Jann Horn discovered that the mmap implementation in the Linux kernel did not properly check for the mmap minimum address in some situations. A local attacker could use this to assist exploiting a kernel NULL pointer dereference vulnerability. (CVE-2019-9213) Muyu Yu discovered that the CAN implementation in the Linux kernel in some situations did not properly restrict the field size when processing outgoing frames. A local attacker with CAP_NET_ADMIN privileges could use this to execute arbitrary code. (CVE-2019-3701) Vladis Dronov discovered that the debug interface for the Linux kernel
    last seen2020-06-01
    modified2020-06-02
    plugin id123680
    published2019-04-03
    reporterUbuntu Security Notice (C) 2019-2020 Canonical, Inc. / NASL script (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/123680
    titleUbuntu 16.04 LTS : linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities (USN-3932-1)

References