Vulnerabilities > CVE-2017-1000405 - Race Condition vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
HIGH Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
The Linux Kernel versions 2.6.38 through 4.14 have a problematic use of pmd_mkdirty() in the touch_pmd() function inside the THP implementation. touch_pmd() can be reached by get_user_pages(). In such case, the pmd will become dirty. This scenario breaks the new can_follow_write_pmd()'s logic - pmd can become dirty without going through a COW cycle. This bug is not as severe as the original "Dirty cow" because an ext4 file (or any other regular file) cannot be mapped using THP. Nevertheless, it does allow us to overwrite read-only huge pages. For example, the zero huge page and sealed shmem files can be overwritten (since their mapping can be populated using THP). Note that after the first write page-fault to the zero page, it will be replaced with a new fresh (and zeroed) thp.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Leveraging Race Conditions This attack targets a race condition occurring when multiple processes access and manipulate the same resource concurrently and the outcome of the execution depends on the particular order in which the access takes place. The attacker can leverage a race condition by "running the race", modifying the resource and modifying the normal execution flow. For instance a race condition can occur while accessing a file, the attacker can trick the system by replacing the original file with his version and cause the system to read the malicious file.
- Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions This attack targets a race condition occurring between the time of check (state) for a resource and the time of use of a resource. The typical example is the file access. The attacker can leverage a file access race condition by "running the race", meaning that he would modify the resource between the first time the target program accesses the file and the time the target program uses the file. During that period of time, the attacker could do something such as replace the file and cause an escalation of privilege.
Exploit-Db
description Linux Kernel - 'The Huge Dirty Cow' Overwriting The Huge Zero Page (2). CVE-2017-1000405. Dos exploit for Linux platform id EDB-ID:44305 last seen 2018-05-24 modified 2017-12-11 published 2017-12-11 reporter Exploit-DB source https://www.exploit-db.com/download/44305/ title Linux Kernel - 'The Huge Dirty Cow' Overwriting The Huge Zero Page (2) description Linux Kernel - 'The Huge Dirty Cow' Overwriting The Huge Zero Page. CVE-2017-1000405. Dos exploit for Linux platform file exploits/linux/dos/43199.c id EDB-ID:43199 last seen 2017-12-01 modified 2017-11-30 platform linux port published 2017-11-30 reporter Exploit-DB source https://www.exploit-db.com/download/43199/ title Linux Kernel - 'The Huge Dirty Cow' Overwriting The Huge Zero Page type dos
Nessus
NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-3507-1.NASL description Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem (XFRM) in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16939) It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service (application crashes) or possibly gain administrative privileges. (CVE-2017-1000405) Fan Wu, Haoran Qiu, and Shixiong Zhao discovered that the associative array implementation in the Linux kernel sometimes did not properly handle adding a new entry. A local attacker could use this to cause a denial of service (system crash). (CVE-2017-12193) Eric Biggers discovered that the key management subsystem in the Linux kernel did not properly restrict adding a key that already exists but is uninstantiated. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-15299) It was discovered that a NULL pointer dereference error existed in the PowerPC KVM implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2017-15306) Eric Biggers discovered a race condition in the key management subsystem of the Linux kernel around keys in a negative state. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-15951) Andrey Konovalov discovered that the USB subsystem in the Linux kernel did not properly validate USB BOS metadata. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2017-16535) Andrey Konovalov discovered an out-of-bounds read in the GTCO digitizer USB driver for the Linux kernel. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16643). 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 seen 2020-06-01 modified 2020-06-02 plugin id 105100 published 2017-12-08 reporter Ubuntu Security Notice (C) 2017-2019 Canonical, Inc. / NASL script (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105100 title Ubuntu 17.10 : linux, linux-raspi2 vulnerabilities (USN-3507-1) (Dirty COW) NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-3509-3.NASL description USN-3509-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. Unfortunately, it also introduced a regression that prevented the Ceph network filesystem from being used. This update fixes the problem. We apologize for the inconvenience. Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem (XFRM) in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16939) It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service (application crashes) or possibly gain administrative privileges. (CVE-2017-1000405) Fan Wu, Haoran Qiu, and Shixiong Zhao discovered that the associative array implementation in the Linux kernel sometimes did not properly handle adding a new entry. A local attacker could use this to cause a denial of service (system crash). (CVE-2017-12193) Andrey Konovalov discovered an out-of-bounds read in the GTCO digitizer USB driver for the Linux kernel. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16643). 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 seen 2020-06-01 modified 2020-06-02 plugin id 105354 published 2017-12-18 reporter Ubuntu Security Notice (C) 2017-2019 Canonical, Inc. / NASL script (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105354 title Ubuntu 16.04 LTS : linux, linux-aws, linux-kvm, linux-raspi2 regression (USN-3509-3) (Dirty COW) NASL family Fedora Local Security Checks NASL id FEDORA_2017-B0C1F44130.NASL description Contains several backported bugfixes, including the fix for CVE-2017-1000405 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-05 modified 2018-01-15 plugin id 105954 published 2018-01-15 reporter This script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105954 title Fedora 27 : kernel (2017-b0c1f44130) (Dirty COW) NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-3507-2.NASL description Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem (XFRM) in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16939) It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service (application crashes) or possibly gain administrative privileges. (CVE-2017-1000405) Fan Wu, Haoran Qiu, and Shixiong Zhao discovered that the associative array implementation in the Linux kernel sometimes did not properly handle adding a new entry. A local attacker could use this to cause a denial of service (system crash). (CVE-2017-12193) Eric Biggers discovered that the key management subsystem in the Linux kernel did not properly restrict adding a key that already exists but is uninstantiated. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-15299) It was discovered that a NULL pointer dereference error existed in the PowerPC KVM implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2017-15306) Eric Biggers discovered a race condition in the key management subsystem of the Linux kernel around keys in a negative state. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-15951). 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 seen 2020-06-01 modified 2020-06-02 plugin id 105101 published 2017-12-08 reporter Ubuntu Security Notice (C) 2017-2019 Canonical, Inc. / NASL script (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105101 title Ubuntu 16.04 LTS : linux-gcp vulnerabilities (USN-3507-2) (Dirty COW) NASL family OracleVM Local Security Checks NASL id ORACLEVM_OVMSA-2017-0174.NASL description The remote OracleVM system is missing necessary patches to address critical security updates : please see Oracle VM Security Advisory OVMSA-2017-0174 for details. last seen 2020-06-05 modified 2017-12-14 plugin id 105248 published 2017-12-14 reporter This script is Copyright (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105248 title OracleVM 3.4 : Unbreakable / etc (OVMSA-2017-0174) (BlueBorne) (Dirty COW) (Stack Clash) NASL family SuSE Local Security Checks NASL id OPENSUSE-2017-1390.NASL description The openSUSE Leap 42.2 kernel was updated to 4.4.102 to receive various security and bugfixes. The following security bugs were fixed : - CVE-2017-1000405: A bug in the THP CoW support could be used by local attackers to corrupt memory of other processes and cause them to crash (bnc#1069496). - CVE-2017-1000410: The Linux kernel was affected by an information leak in the processing of incoming L2CAP commands - ConfigRequest, and ConfigResponse messages. (bnc#1070535). - CVE-2017-11600: net/xfrm/xfrm_policy.c in the Linux kernel did not ensure that the dir value of xfrm_userpolicy_id is XFRM_POLICY_MAX or less, which allowed local users to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via an XFRM_MSG_MIGRATE xfrm Netlink message (bnc#1050231). - CVE-2017-12193: The assoc_array_insert_into_terminal_node function in lib/assoc_array.c in the Linux kernel mishandled node splitting, which allowed local users to cause a denial of service (NULL pointer dereference and panic) via a crafted application, as demonstrated by the keyring key type, and key addition and link creation operations (bnc#1066192). - CVE-2017-15115: The sctp_do_peeloff function in net/sctp/socket.c in the Linux kernel did not check whether the intended netns is used in a peel-off action, which allowed local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via crafted system calls (bnc#1068671). - CVE-2017-16528: sound/core/seq_device.c in the Linux kernel allowed local users to cause a denial of service (snd_rawmidi_dev_seq_free use-after-free and system crash) or possibly have unspecified other impact via a crafted USB device (bnc#1066629). - CVE-2017-16536: The cx231xx_usb_probe function in drivers/media/usb/cx231xx/cx231xx-cards.c in the Linux kernel allowed local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted USB device (bnc#1066606). - CVE-2017-16537: The imon_probe function in drivers/media/rc/imon.c in the Linux kernel allowed local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted USB device (bnc#1066573). - CVE-2017-16645: The ims_pcu_get_cdc_union_desc function in drivers/input/misc/ims-pcu.c in the Linux kernel allowed local users to cause a denial of service (ims_pcu_parse_cdc_data out-of-bounds read and system crash) or possibly have unspecified other impact via a crafted USB device (bnc#1067132). - CVE-2017-16646: drivers/media/usb/dvb-usb/dib0700_devices.c in the Linux kernel allowed local users to cause a denial of service (BUG and system crash) or possibly have unspecified other impact via a crafted USB device (bnc#1067105). - CVE-2017-16939: The XFRM dump policy implementation in net/xfrm/xfrm_user.c in the Linux kernel allowed local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages (bnc#1069702). - CVE-2017-16994: The walk_hugetlb_range function in mm/pagewalk.c in the Linux kernel mishandled holes in hugetlb ranges, which allowed local users to obtain sensitive information from uninitialized kernel memory via crafted use of the mincore() system call (bnc#1069996). - CVE-2017-17448: net/netfilter/nfnetlink_cthelper.c in the Linux kernel did not require the CAP_NET_ADMIN capability for new, get, and del operations, which allowed local users to bypass intended access restrictions because the nfnl_cthelper_list data structure is shared across all net namespaces (bnc#1071693). - CVE-2017-17449: The __netlink_deliver_tap_skb function in net/netlink/af_netlink.c in the Linux kernel did not restrict observations of Netlink messages to a single net namespace, which allowed local users to obtain sensitive information by leveraging the CAP_NET_ADMIN capability to sniff an nlmon interface for all Netlink activity on the system (bnc#1071694). - CVE-2017-17450: net/netfilter/xt_osf.c in the Linux kernel did not require the CAP_NET_ADMIN capability for add_callback and remove_callback operations, which allowed local users to bypass intended access restrictions because the xt_osf_fingers data structure is shared across all net namespaces (bnc#1071695). - CVE-2017-7482: Fixed an overflow when decoding a krb5 principal. (bnc#1046107). - CVE-2017-8824: The dccp_disconnect function in net/dccp/proto.c in the Linux kernel allowed local users to gain privileges or cause a denial of service (use-after-free) via an AF_UNSPEC connect system call during the DCCP_LISTEN state (bnc#1070771). The following non-security bugs were fixed : - adm80211: return an error if adm8211_alloc_rings() fails (bsc#1031717). - adv7604: Initialize drive strength to default when using DT (bnc#1012382). - af_netlink: ensure that NLMSG_DONE never fails in dumps (bnc#1012382). - alsa: caiaq: Fix stray URB at probe error path (bnc#1012382). - alsa: hda: Add Raven PCI ID (bnc#1012382). - alsa: hda - Apply ALC269_FIXUP_NO_SHUTUP on HDA_FIXUP_ACT_PROBE (bnc#1012382). - alsa: hda/ca0132 - Fix memory leak at error path (bsc#1031717). - alsa: hda - fix headset mic problem for Dell machines with alc236 (bnc#1012382). - alsa: hda - No loopback on ALC299 codec (git-fixes). - alsa: hda/realtek: Add headset mic support for Intel NUC Skull Canyon (bsc#1031717). - alsa: hda/realtek - Add new codec ID ALC299 (bnc#1012382). - alsa: hda/realtek - Add support for ALC236/ALC3204 (bnc#1012382). - alsa: hda/realtek - Fix ALC700 family no sound issue (bsc#1031717). - alsa: hda: Remove superfluous last seen 2020-06-05 modified 2017-12-18 plugin id 105344 published 2017-12-18 reporter This script is Copyright (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105344 title openSUSE Security Update : the Linux Kernel (openSUSE-2017-1390) (Dirty COW) NASL family Huawei Local Security Checks NASL id EULEROS_SA-2019-1505.NASL description 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 : - The kernel package contains the Linux kernel (vmlinuz), the core of any Linux operating system. The kernel handles the basic functions of the operating system: memory allocation, process allocation, device input and output, etc.Security Fix(es):A flaw named FragmentSmack was found in the way the Linux kernel handled reassembly of fragmented IPv4 and IPv6 packets. A remote attacker could use this flaw to trigger time and calculation expensive fragment reassembly algorithm by sending specially crafted packets which could lead to a CPU saturation and hence a denial of service on the system.(CVE-2018-5391)Multiple out-of-bounds write flaws were found in the way the Cherry Cymotion keyboard driver, KYE/Genius device drivers, Logitech device drivers, Monterey Genius KB29E keyboard driver, Petalynx Maxter remote control driver, and Sunplus wireless desktop driver handled HID reports with an invalid report descriptor size. An attacker with physical access to the system could use either of these flaws to write data past an allocated memory buffer.(CVE-2014-3184)The __get_data_block function in fs/f2fs/data.c in the Linux kernel before 4.11 allows local users to cause a denial of service (integer overflow and loop) via crafted use of the open and fallocate system calls with an FS_IOC_FIEMAP ioctl.(CVE-2017-18257)netetfilter/xt_osf.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for add_callback and remove_callback operations. This allows local users to bypass intended access restrictions because the xt_osf_fingers data structure is shared across all network namespaces.(CVE-2017-17450)A denial of service flaw was discovered in the Linux kernel, where a race condition caused a NULL pointer dereference in the RDS socket-creation code. A local attacker could use this flaw to create a situation in which a NULL pointer crashed the kernel.(CVE-2015-7990)An issue was discovered in the Linux kernel before 4.19.9. The USB subsystem mishandles size checks during the reading of an extra descriptor, related to __usb_get_extra_descriptor in drivers/usb/core/usb.c.(CVE-2018-20169)mm/memory.c in the Linux kernel before 4.1.4 mishandles anonymous pages, which allows local users to gain privileges or cause a denial of service (page tainting) via a crafted application that triggers writing to page zero.(CVE-2015-3288)The ovl_setattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr operations, which allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application.(CVE-2015-8660)A flaw was found in the Linux kernel where a local user with a shell account can abuse the userfaultfd syscall when using hugetlbfs. A missing size check in hugetlb_mcopy_atomic_pte could create an invalid inode variable, leading to a kernel panic.(CVE-2017-15128)An integer overflow flaw was found in the way the lzo1x_decompress_safe() function of the Linux kernel last seen 2020-04-16 modified 2019-05-13 plugin id 124828 published 2019-05-13 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/124828 title EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1505) NASL family SuSE Local Security Checks NASL id SUSE_SU-2017-3249-1.NASL description The SUSE Linux Enterprise 12 kernel was updated to 3.12.61 to receive various security and bugfixes. The following security bugs were fixed : - CVE-2017-16939: The XFRM dump policy implementation in net/xfrm/xfrm_user.c in the Linux kernel allowed local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages (bnc#1069702 1069708). - CVE-2017-1000405: The Linux Kernel had a problematic use of pmd_mkdirty() in the touch_pmd() function inside the THP implementation. touch_pmd() could be reached by get_user_pages(). In such case, the pmd would become dirty. This scenario breaks the new can_follow_write_pmd() last seen 2020-06-01 modified 2020-06-02 plugin id 105150 published 2017-12-11 reporter This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105150 title SUSE SLES12 Security Update : kernel (SUSE-SU-2017:3249-1) (Dirty COW) NASL family PhotonOS Local Security Checks NASL id PHOTONOS_PHSA-2017-1_0-0093_LINUX.NASL description An update of the linux package has been released. last seen 2020-06-01 modified 2020-06-02 plugin id 121780 published 2019-02-07 reporter This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/121780 title Photon OS 1.0: Linux PHSA-2017-1.0-0093 NASL family Amazon Linux Local Security Checks NASL id ALA_ALAS-2018-956.NASL description Kernel address information leak in drivers/acpi/sbshc.c:acpi_smbus_hc_add() function potentially allowing KASLR bypass The acpi_smbus_hc_add function in drivers/acpi/sbshc.c in the Linux kernel, through 4.14.15, allows local users to obtain sensitive address information by reading dmesg data from an SBS HC printk call.(CVE-2018-5750) Improper sorting of GIDs in nfsd can lead to incorrect permissions being applied Linux kernel contains a Incorrect Access Control vulnerability in NFS server (nfsd) that can result in remote users reading or writing files they should not be able to via NFS. This attack appear to be exploitable via NFS server must export a filesystem with the last seen 2020-06-01 modified 2020-06-02 plugin id 106933 published 2018-02-22 reporter This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/106933 title Amazon Linux AMI : kernel (ALAS-2018-956) (Dirty COW) (Spectre) NASL family SuSE Local Security Checks NASL id SUSE_SU-2017-3210-1.NASL description The SUSE Linux Enterprise 12 SP1 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2017-16939: The XFRM dump policy implementation in net/xfrm/xfrm_user.c in the Linux kernel allowed local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages. (bnc#1069702) - CVE-2017-1000405: mm, thp: do not dirty huge pages on read fault (bnc#1069496). - CVE-2017-16649: The usbnet_generic_cdc_bind function in drivers/net/usb/cdc_ether.c in the Linux kernel allowed local users to cause a denial of service (divide-by-zero error and system crash) or possibly have unspecified other impact via a crafted USB device. (bnc#1067085) - CVE-2014-0038: The compat_sys_recvmmsg function in net/compat.c, when CONFIG_X86_X32 is enabled, allowed local users to gain privileges via a recvmmsg system call with a crafted timeout pointer parameter (bnc#860993). - CVE-2017-16650: The qmi_wwan_bind function in drivers/net/usb/qmi_wwan.c in the Linux kernel allowed local users to cause a denial of service (divide-by-zero error and system crash) or possibly have unspecified other impact via a crafted USB device. (bnc#1067086) - CVE-2017-16535: The usb_get_bos_descriptor function in drivers/usb/core/config.c in the Linux kernel allowed local users to cause a denial of service (out-of-bounds read and system crash) or possibly have unspecified other impact via a crafted USB device. (bnc#1066700) - CVE-2017-15102: The tower_probe function in drivers/usb/misc/legousbtower.c in the Linux kernel allowed local users (who are physically proximate for inserting a crafted USB device) to gain privileges by leveraging a write-what-where condition that occurs after a race condition and a NULL pointer dereference. (bnc#1066705) - CVE-2017-16531: drivers/usb/core/config.c in the Linux kernel allowed local users to cause a denial of service (out-of-bounds read and system crash) or possibly have unspecified other impact via a crafted USB device, related to the USB_DT_INTERFACE_ASSOCIATION descriptor. (bnc#1066671) - CVE-2017-12193: The assoc_array_insert_into_terminal_node function in lib/assoc_array.c in the Linux kernel mishandled node splitting, which allowed local users to cause a denial of service (NULL pointer dereference and panic) via a crafted application, as demonstrated by the keyring key type, and key addition and link creation operations. (bnc#1066192) - CVE-2017-16529: The snd_usb_create_streams function in sound/usb/card.c in the Linux kernel allowed local users to cause a denial of service (out-of-bounds read and system crash) or possibly have unspecified other impact via a crafted USB device. (bnc#1066650) - CVE-2017-16525: The usb_serial_console_disconnect function in drivers/usb/serial/console.c in the Linux kernel allowed local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via a crafted USB device, related to disconnection and failed setup. (bnc#1066618) - CVE-2017-16537: The imon_probe function in drivers/media/rc/imon.c in the Linux kernel allowed local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted USB device. (bnc#1066573) - CVE-2017-16536: The cx231xx_usb_probe function in drivers/media/usb/cx231xx/cx231xx-cards.c in the Linux kernel allowed local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted USB device. (bnc#1066606) - CVE-2017-16527: sound/usb/mixer.c in the Linux kernel allowed local users to cause a denial of service (snd_usb_mixer_interrupt use-after-free and system crash) or possibly have unspecified other impact via a crafted USB device. (bnc#1066625) The update package also includes non-security fixes. See advisory for details. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 105020 published 2017-12-05 reporter This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105020 title SUSE SLES12 Security Update : kernel (SUSE-SU-2017:3210-1) (Dirty COW) NASL family SuSE Local Security Checks NASL id SUSE_SU-2017-3226-1.NASL description The SUSE Linux Enterprise 12 SP2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2017-1000405: A bug in the THP CoW support could be used by local attackers to corrupt memory of other processes and cause them to crash (bnc#1069496). - CVE-2017-16939: The XFRM dump policy implementation in net/xfrm/xfrm_user.c in the Linux kernel allowed local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages (bnc#1069702). The update package also includes non-security fixes. See advisory for details. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 105073 published 2017-12-07 reporter This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105073 title SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2017:3226-1) (Dirty COW) NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-3508-2.NASL description USN-3508-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS. Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem (XFRM) in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16939) It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service (application crashes) or possibly gain administrative privileges. (CVE-2017-1000405) Yonggang Guo discovered that a race condition existed in the driver subsystem in the Linux kernel. A local attacker could use this to possibly gain administrative privileges. (CVE-2017-12146). 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 seen 2020-06-01 modified 2020-06-02 plugin id 105103 published 2017-12-08 reporter Ubuntu Security Notice (C) 2017-2019 Canonical, Inc. / NASL script (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105103 title Ubuntu 16.04 LTS : linux-hwe vulnerabilities (USN-3508-2) (Dirty COW) NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-3509-4.NASL description USN-3509-2 fixed vulnerabilities in the Linux Hardware Enablement kernel for Ubuntu 14.04 LTS. Unfortunately, it also introduced a regression that prevented the Ceph network filesystem from being used. This update fixes the problem. We apologize for the inconvenience. Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem (XFRM) in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16939) It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service (application crashes) or possibly gain administrative privileges. (CVE-2017-1000405) Fan Wu, Haoran Qiu, and Shixiong Zhao discovered that the associative array implementation in the Linux kernel sometimes did not properly handle adding a new entry. A local attacker could use this to cause a denial of service (system crash). (CVE-2017-12193) Andrey Konovalov discovered an out-of-bounds read in the GTCO digitizer USB driver for the Linux kernel. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16643). 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 seen 2020-06-01 modified 2020-06-02 plugin id 105355 published 2017-12-18 reporter Ubuntu Security Notice (C) 2017-2019 Canonical, Inc. / NASL script (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105355 title Ubuntu 14.04 LTS : linux-lts-xenial, linux-aws regression (USN-3509-4) (Dirty COW) NASL family Virtuozzo Local Security Checks NASL id VIRTUOZZO_VZA-2017-110.NASL description According to the version of the vzkernel package and the readykernel-patch installed, the Virtuozzo installation on the remote host is affected by the following vulnerabilities : - dccp_disconnect() set the socket state to DCCP_CLOSED but did not properly free some of the resources associated with that socket. This could result in a use-after-free and could potentially allow an attacker to escalate their privileges. - The Linux kernel is vulnerable to a use-after-free issue. It could occur while closing a xfrm netlink socket, in xfrm_dump_policy_done. A user/process could use this flaw to potentially escalate their privileges on a system. - A flaw was found in the patches used to fix the last seen 2020-06-01 modified 2020-06-02 plugin id 105166 published 2017-12-12 reporter This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105166 title Virtuozzo 7 : readykernel-patch (VZA-2017-110) NASL family PhotonOS Local Security Checks NASL id PHOTONOS_PHSA-2017-2_0-0008_WGET.NASL description An update of the wget package has been released. last seen 2020-03-17 modified 2019-02-07 plugin id 121793 published 2019-02-07 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/121793 title Photon OS 2.0: Wget PHSA-2017-2.0-0008 NASL family PhotonOS Local Security Checks NASL id PHOTONOS_PHSA-2017-2_0-0008_LINUX.NASL description An update of the linux package has been released. last seen 2020-06-01 modified 2020-06-02 plugin id 121792 published 2019-02-07 reporter This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/121792 title Photon OS 2.0: Linux PHSA-2017-2.0-0008 NASL family SuSE Local Security Checks NASL id OPENSUSE-2017-1391.NASL description The openSUSE Leap 42.3 kernel was updated to 4.4.103 to receive various security and bugfixes. The following security bugs were fixed : - CVE-2017-1000405: A bug in the THP CoW support could be used by local attackers to corrupt memory of other processes and cause them to crash (bnc#1069496). - CVE-2017-1000410: The Linux kernel was affected by a vulnerability lies in the processing of incoming L2CAP commands - ConfigRequest, and ConfigResponse messages. This info leak is a result of uninitialized stack variables that may be returned to an attacker in their uninitialized state. (bnc#1070535). - CVE-2017-11600: net/xfrm/xfrm_policy.c in the Linux kernel did not ensure that the dir value of xfrm_userpolicy_id is XFRM_POLICY_MAX or less, which allowed local users to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via an XFRM_MSG_MIGRATE xfrm Netlink message (bnc#1050231). - CVE-2017-12193: The assoc_array_insert_into_terminal_node function in lib/assoc_array.c in the Linux kernel mishandled node splitting, which allowed local users to cause a denial of service (NULL pointer dereference and panic) via a crafted application, as demonstrated by the keyring key type, and key addition and link creation operations (bnc#1066192). - CVE-2017-15115: The sctp_do_peeloff function in net/sctp/socket.c in the Linux kernel did not check whether the intended netns is used in a peel-off action, which allowed local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via crafted system calls (bnc#1068671). - CVE-2017-16528: sound/core/seq_device.c in the Linux kernel allowed local users to cause a denial of service (snd_rawmidi_dev_seq_free use-after-free and system crash) or possibly have unspecified other impact via a crafted USB device (bnc#1066629). - CVE-2017-16536: The cx231xx_usb_probe function in drivers/media/usb/cx231xx/cx231xx-cards.c in the Linux kernel allowed local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted USB device (bnc#1066606). - CVE-2017-16537: The imon_probe function in drivers/media/rc/imon.c in the Linux kernel allowed local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted USB device (bnc#1066573). - CVE-2017-16645: The ims_pcu_get_cdc_union_desc function in drivers/input/misc/ims-pcu.c in the Linux kernel allowed local users to cause a denial of service (ims_pcu_parse_cdc_data out-of-bounds read and system crash) or possibly have unspecified other impact via a crafted USB device (bnc#1067132). - CVE-2017-16646: drivers/media/usb/dvb-usb/dib0700_devices.c in the Linux kernel allowed local users to cause a denial of service (BUG and system crash) or possibly have unspecified other impact via a crafted USB device (bnc#1067105). - CVE-2017-16939: The XFRM dump policy implementation in net/xfrm/xfrm_user.c in the Linux kernel allowed local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages (bnc#1069702). - CVE-2017-16994: The walk_hugetlb_range function in mm/pagewalk.c in the Linux kernel mishandled holes in hugetlb ranges, which allowed local users to obtain sensitive information from uninitialized kernel memory via crafted use of the mincore() system call (bnc#1069996). - CVE-2017-17448: net/netfilter/nfnetlink_cthelper.c in the Linux kernel did not require the CAP_NET_ADMIN capability for new, get, and del operations, which allowed local users to bypass intended access restrictions because the nfnl_cthelper_list data structure is shared across all net namespaces (bnc#1071693). - CVE-2017-17449: The __netlink_deliver_tap_skb function in net/netlink/af_netlink.c in the Linux kernel did not restrict observations of Netlink messages to a single net namespace, which allowed local users to obtain sensitive information by leveraging the CAP_NET_ADMIN capability to sniff an nlmon interface for all Netlink activity on the system (bnc#1071694). - CVE-2017-17450: net/netfilter/xt_osf.c in the Linux kernel did not require the CAP_NET_ADMIN capability for add_callback and remove_callback operations, which allowed local users to bypass intended access restrictions because the xt_osf_fingers data structure is shared across all net namespaces (bnc#1071695). - CVE-2017-7482: Fixed an overflow when decoding a krb5 principal. (bnc#1046107). - CVE-2017-8824: The dccp_disconnect function in net/dccp/proto.c in the Linux kernel allowed local users to gain privileges or cause a denial of service (use-after-free) via an AF_UNSPEC connect system call during the DCCP_LISTEN state (bnc#1070771). The following non-security bugs were fixed : - acpi / apd: Add clock frequency for ThunderX2 I2C controller (bsc#1067225). - Add references (bsc#1062941, bsc#1037404, bsc#1012523, bsc#1038299) The scsi_devinfo patches are relevant for all bugs related to HITACHI OPEN-V. - adm80211: return an error if adm8211_alloc_rings() fails (bsc#1031717). - adv7604: Initialize drive strength to default when using DT (bnc#1012382). - af_netlink: ensure that NLMSG_DONE never fails in dumps (bnc#1012382). - alsa: caiaq: Fix stray URB at probe error path (bnc#1012382). - alsa: hda: Abort capability probe at invalid register read (bsc#1048356). - alsa: hda: Add Raven PCI ID (bnc#1012382). - alsa: hda - Apply ALC269_FIXUP_NO_SHUTUP on HDA_FIXUP_ACT_PROBE (bnc#1012382). - alsa: hda/ca0132 - Fix memory leak at error path (bsc#1031717). - alsa: hda - fix headset mic problem for Dell machines with alc236 (bnc#1012382). - alsa: hda - No loopback on ALC299 codec (git-fixes). - alsa: hda/realtek: Add headset mic support for Intel NUC Skull Canyon (bsc#1031717). - alsa: hda/realtek - Add new codec ID ALC299 (bnc#1012382). - alsa: hda/realtek - Add support for ALC236/ALC3204 (bnc#1012382). - alsa: hda/realtek - Fix ALC700 family no sound issue (bsc#1031717). - alsa: hda: Remove superfluous last seen 2020-06-05 modified 2017-12-19 plugin id 105364 published 2017-12-19 reporter This script is Copyright (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105364 title openSUSE Security Update : the Linux Kernel (openSUSE-2017-1391) (Dirty COW) NASL family OracleVM Local Security Checks NASL id ORACLEVM_OVMSA-2018-0035.NASL description The remote OracleVM system is missing necessary patches to address critical security updates : please see Oracle VM Security Advisory OVMSA-2018-0035 for details. last seen 2020-06-01 modified 2020-06-02 plugin id 109158 published 2018-04-19 reporter This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/109158 title OracleVM 3.4 : Unbreakable / etc (OVMSA-2018-0035) (Dirty COW) (Meltdown) (Spectre) NASL family Virtuozzo Local Security Checks NASL id VIRTUOZZO_VZA-2017-109.NASL description According to the version of the vzkernel package and the readykernel-patch installed, the Virtuozzo installation on the remote host is affected by the following vulnerabilities : - dccp_disconnect() set the socket state to DCCP_CLOSED but did not properly free some of the resources associated with that socket. This could result in a use-after-free and could potentially allow an attacker to escalate their privileges. - The Linux kernel is vulnerable to a use-after-free issue. It could occur while closing a xfrm netlink socket, in xfrm_dump_policy_done. A user/process could use this flaw to potentially escalate their privileges on a system. - A flaw was found in the patches used to fix the last seen 2020-06-01 modified 2020-06-02 plugin id 105165 published 2017-12-12 reporter This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105165 title Virtuozzo 7 : readykernel-patch (VZA-2017-109) NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-3511-1.NASL description Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem (XFRM) in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16939) It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service (application crashes) or possibly gain administrative privileges. (CVE-2017-1000405). 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 seen 2020-06-01 modified 2020-06-02 plugin id 105107 published 2017-12-08 reporter Ubuntu Security Notice (C) 2017-2019 Canonical, Inc. / NASL script (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105107 title Ubuntu 16.04 LTS : linux-azure vulnerabilities (USN-3511-1) (Dirty COW) NASL family Oracle Linux Local Security Checks NASL id ORACLELINUX_ELSA-2018-4071.NASL description The remote Oracle Linux host is missing a security update for the Unbreakable Enterprise kernel package(s). last seen 2020-06-01 modified 2020-06-02 plugin id 109156 published 2018-04-19 reporter This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/109156 title Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2018-4071) (Dirty COW) (Meltdown) (Spectre) NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-3510-1.NASL description Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem (XFRM) in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16939) It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service (application crashes) or possibly gain administrative privileges. (CVE-2017-1000405). 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 seen 2020-06-01 modified 2020-06-02 plugin id 105106 published 2017-12-08 reporter Ubuntu Security Notice (C) 2017-2019 Canonical, Inc. / NASL script (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105106 title Ubuntu 14.04 LTS : linux vulnerabilities (USN-3510-1) (Dirty COW) NASL family Oracle Linux Local Security Checks NASL id ORACLELINUX_ELSA-2017-3651.NASL description Description of changes: [4.1.12-103.10.1.el7uek] - mm, thp: Do not make page table dirty unconditionally in follow_trans_huge_pmd() (Kirill A. Shutemov) [Orabug: 27200879] {CVE-2017-1000405} - NFS: Add static NFS I/O tracepoints (Chuck Lever) - storvsc: don last seen 2020-06-01 modified 2020-06-02 plugin id 105143 published 2017-12-11 reporter This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105143 title Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2017-3651) (Dirty COW) NASL family Amazon Linux Local Security Checks NASL id ALA_ALAS-2017-937.NASL description A flaw was found in the patches used to fix the last seen 2020-06-01 modified 2020-06-02 plugin id 105422 published 2017-12-26 reporter This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105422 title Amazon Linux AMI : kernel (ALAS-2017-937) (Dirty COW) NASL family OracleVM Local Security Checks NASL id ORACLEVM_OVMSA-2017-0172.NASL description The remote OracleVM system is missing necessary patches to address critical security updates : - mm, thp: Do not make page table dirty unconditionally in follow_trans_huge_pmd (Kirill A. Shutemov) [Orabug: 27200879] (CVE-2017-1000405) - NFS: Add static NFS I/O tracepoints (Chuck Lever) - storvsc: don last seen 2020-06-01 modified 2020-06-02 plugin id 105146 published 2017-12-11 reporter This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105146 title OracleVM 3.4 : Unbreakable / etc (OVMSA-2017-0172) (Dirty COW) NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-3509-2.NASL description USN-3509-1 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. Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem (XFRM) in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16939) It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service (application crashes) or possibly gain administrative privileges. (CVE-2017-1000405) Fan Wu, Haoran Qiu, and Shixiong Zhao discovered that the associative array implementation in the Linux kernel sometimes did not properly handle adding a new entry. A local attacker could use this to cause a denial of service (system crash). (CVE-2017-12193) Andrey Konovalov discovered an out-of-bounds read in the GTCO digitizer USB driver for the Linux kernel. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16643). 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 seen 2020-06-01 modified 2020-06-02 plugin id 105105 published 2017-12-08 reporter Ubuntu Security Notice (C) 2017-2019 Canonical, Inc. / NASL script (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105105 title Ubuntu 14.04 LTS : linux-lts-xenial, linux-aws vulnerabilities (USN-3509-2) (Dirty COW) NASL family SuSE Local Security Checks NASL id SUSE_SU-2017-3225-1.NASL description The SUSE Linux Enterprise 12 SP3 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2017-1000405: A bug in the THP CoW support could be used by local attackers to corrupt memory of other processes and cause them to crash (bnc#1069496). - CVE-2017-16939: The XFRM dump policy implementation in net/xfrm/xfrm_user.c in the Linux kernel allowed local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages (bnc#1069702). The update package also includes non-security fixes. See advisory for details. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 105072 published 2017-12-07 reporter This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105072 title SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2017:3225-1) (Dirty COW) NASL family Fedora Local Security Checks NASL id FEDORA_2017-9EA11E444D.NASL description Contains several backported bugfixes, including the fix for CVE-2017-1000405 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-05 modified 2017-12-05 plugin id 105013 published 2017-12-05 reporter This script is Copyright (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105013 title Fedora 26 : kernel (2017-9ea11e444d) (Dirty COW) NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-3508-1.NASL description Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem (XFRM) in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16939) It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service (application crashes) or possibly gain administrative privileges. (CVE-2017-1000405) Yonggang Guo discovered that a race condition existed in the driver subsystem in the Linux kernel. A local attacker could use this to possibly gain administrative privileges. (CVE-2017-12146). 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 seen 2020-06-01 modified 2020-06-02 plugin id 105102 published 2017-12-08 reporter Ubuntu Security Notice (C) 2017-2019 Canonical, Inc. / NASL script (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105102 title Ubuntu 17.04 : linux, linux-raspi2 vulnerabilities (USN-3508-1) (Dirty COW) NASL family Virtuozzo Local Security Checks NASL id VIRTUOZZO_VZA-2017-111.NASL description According to the version of the vzkernel package and the readykernel-patch installed, the Virtuozzo installation on the remote host is affected by the following vulnerabilities : - dccp_disconnect() set the socket state to DCCP_CLOSED but did not properly free some of the resources associated with that socket. This could result in a use-after-free and could potentially allow an attacker to escalate their privileges. - The Linux kernel is vulnerable to a use-after-free issue. It could occur while closing a xfrm netlink socket, in xfrm_dump_policy_done. A user/process could use this flaw to potentially escalate their privileges on a system. - A flaw was found in the patches used to fix the last seen 2020-06-01 modified 2020-06-02 plugin id 105167 published 2017-12-12 reporter This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105167 title Virtuozzo 7 : readykernel-patch (VZA-2017-111) NASL family Oracle Linux Local Security Checks NASL id ORACLELINUX_ELSA-2017-3659.NASL description The remote Oracle Linux host is missing a security update for the Unbreakable Enterprise kernel package(s). last seen 2020-06-05 modified 2017-12-14 plugin id 105247 published 2017-12-14 reporter This script is Copyright (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105247 title Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2017-3659) (BlueBorne) (Dirty COW) (Stack Clash) NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-3509-1.NASL description Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem (XFRM) in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16939) It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service (application crashes) or possibly gain administrative privileges. (CVE-2017-1000405) Fan Wu, Haoran Qiu, and Shixiong Zhao discovered that the associative array implementation in the Linux kernel sometimes did not properly handle adding a new entry. A local attacker could use this to cause a denial of service (system crash). (CVE-2017-12193) Andrey Konovalov discovered an out-of-bounds read in the GTCO digitizer USB driver for the Linux kernel. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16643). 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 seen 2020-06-01 modified 2020-06-02 plugin id 105104 published 2017-12-08 reporter Ubuntu Security Notice (C) 2017-2019 Canonical, Inc. / NASL script (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/105104 title Ubuntu 16.04 LTS : linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities (USN-3509-1) (Dirty COW) NASL family PhotonOS Local Security Checks NASL id PHOTONOS_PHSA-2017-2_0-0008_BINUTILS.NASL description An update of the binutils package has been released. last seen 2020-03-17 modified 2019-02-07 plugin id 121791 published 2019-02-07 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/121791 title Photon OS 2.0: Binutils PHSA-2017-2.0-0008 NASL family Amazon Linux Local Security Checks NASL id AL2_ALAS-2018-956.NASL description Stack-based out-of-bounds read via vmcall instruction Linux kernel compiled with the KVM virtualization (CONFIG_KVM) support is vulnerable to an out-of-bounds read access issue. It could occur when emulating vmcall instructions invoked by a guest. A guest user/process could use this flaw to disclose kernel memory bytes.(CVE-2017-17741) drivers/block/loop.c mishandles lo_release serialization allowing denial-of-service A flaw was found in the Linux kernel last seen 2020-06-01 modified 2020-06-02 plugin id 109127 published 2018-04-18 reporter This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/109127 title Amazon Linux 2 : kernel (ALAS-2018-956) (Dirty COW) (Spectre) NASL family PhotonOS Local Security Checks NASL id PHOTONOS_PHSA-2017-1_0-0093.NASL description An update of 'linux', 'krb5', 'subversion', 'apr', 'ncurses' packages of Photon OS has been released. last seen 2019-02-21 modified 2019-02-07 plugin id 111903 published 2018-08-17 reporter Tenable source https://www.tenable.com/plugins/index.php?view=single&id=111903 title Photon OS 1.0: Apr / Krb5 / Linux / Ncurses / Subversion PHSA-2017-1.0-0093 (deprecated) NASL family Virtuozzo Local Security Checks NASL id VIRTUOZZO_VZA-2018-004.NASL description According to the version of the vzkernel package and the readykernel-patch installed, the Virtuozzo installation on the remote host is affected by the following vulnerabilities : - A vulnerability was found in DCCP socket handling code. dccp_disconnect() set the socket state to DCCP_CLOSED but did not properly free some of the resources associated with that socket. This could result in a use-after-free and could potentially allow an attacker to escalate their privileges. - The Linux kernel is vulnerable to a use-after-free issue. It could occur while closing a xfrm netlink socket, in xfrm_dump_policy_done. A user/process could use this flaw to potentially escalate their privileges on a system. - The function get_net_ns_by_id() does not check the net.count value when processing a peer network, which could lead to double free and memory corruption. An unprivileged local user could use this vulnerability to crash the system. - If the system uses iptables and there are iptables rules with TCPMSS action there, a remote attacker could cause a denial of service (use-after-free in tcpmss_mangle_packet function leading to memory corruption) or possibly have unspecified other impact by sending specially crafted network packets. - A flaw was found in the patches used to fix the last seen 2020-06-01 modified 2020-06-02 plugin id 106052 published 2018-01-16 reporter This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/106052 title Virtuozzo 7 : readykernel-patch (VZA-2018-004) NASL family PhotonOS Local Security Checks NASL id PHOTONOS_PHSA-2017-2_0-0008.NASL description An update of 'binutils', 'linux', 'wget' packages of Photon OS has been released. last seen 2019-02-21 modified 2019-02-07 plugin id 111906 published 2018-08-17 reporter Tenable source https://www.tenable.com/plugins/index.php?view=single&id=111906 title Photon OS 2.0: Binutils / Linux / Wget PHSA-2017-2.0-0008 (deprecated)
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References
- https://medium.com/bindecy/huge-dirty-cow-cve-2017-1000405-110eca132de0
- https://www.exploit-db.com/exploits/43199/
- http://www.securityfocus.com/bid/102032
- http://www.securitytracker.com/id/1040020
- https://access.redhat.com/errata/RHSA-2018:0180
- https://source.android.com/security/bulletin/pixel/2018-02-01