Vulnerabilities > CVE-2018-5995 - Information Exposure vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
NONE Availability impact
NONE Summary
The pcpu_embed_first_chunk function in mm/percpu.c in the Linux kernel through 4.14.14 allows local users to obtain sensitive address information by reading dmesg data from a "pages/cpu" printk call.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Subverting Environment Variable Values The attacker directly or indirectly modifies environment variables used by or controlling the target software. The attacker's goal is to cause the target software to deviate from its expected operation in a manner that benefits the attacker.
- Footprinting An attacker engages in probing and exploration activity to identify constituents and properties of the target. Footprinting is a general term to describe a variety of information gathering techniques, often used by attackers in preparation for some attack. It consists of using tools to learn as much as possible about the composition, configuration, and security mechanisms of the targeted application, system or network. Information that might be collected during a footprinting effort could include open ports, applications and their versions, network topology, and similar information. While footprinting is not intended to be damaging (although certain activities, such as network scans, can sometimes cause disruptions to vulnerable applications inadvertently) it may often pave the way for more damaging attacks.
- Exploiting Trust in Client (aka Make the Client Invisible) An attack of this type exploits a programs' vulnerabilities in client/server communication channel authentication and data integrity. It leverages the implicit trust a server places in the client, or more importantly, that which the server believes is the client. An attacker executes this type of attack by placing themselves in the communication channel between client and server such that communication directly to the server is possible where the server believes it is communicating only with a valid client. There are numerous variations of this type of attack.
- Browser Fingerprinting An attacker carefully crafts small snippets of Java Script to efficiently detect the type of browser the potential victim is using. Many web-based attacks need prior knowledge of the web browser including the version of browser to ensure successful exploitation of a vulnerability. Having this knowledge allows an attacker to target the victim with attacks that specifically exploit known or zero day weaknesses in the type and version of the browser used by the victim. Automating this process via Java Script as a part of the same delivery system used to exploit the browser is considered more efficient as the attacker can supply a browser fingerprinting method and integrate it with exploit code, all contained in Java Script and in response to the same web page request by the browser.
- Session Credential Falsification through Prediction This attack targets predictable session ID in order to gain privileges. The attacker can predict the session ID used during a transaction to perform spoofing and session hijacking.
Nessus
NASL family Huawei Local Security Checks NASL id EULEROS_SA-2020-1112.NASL description According to the versions of the kernel packages installed, the EulerOS 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):** DISPUTED ** In kernel/compat.c in the Linux kernel before 3.17, as used in Google Chrome OS and other products, there is a possible out-of-bounds read. restart_syscall uses uninitialized data when restarting compat_sys_nanosleep. NOTE: this is disputed because the code path is unreachable.(CVE-2014-3180)A heap overflow flaw was found in the Linux kernel, all versions 3.x.x and 4.x.x before 4.18.0, in Marvell WiFi chip driver. The vulnerability allows a remote attacker to cause a system crash, resulting in a denial of service, or execute arbitrary code. The highest threat with this vulnerability is with the availability of the system. If code execution occurs, the code will run with the permissions of root. This will affect both confidentiality and integrity of files on the system.(CVE-2019-14901)A heap-based buffer overflow vulnerability was found in the Linux kernel, version kernel-2.6.32, in Marvell WiFi chip driver. A remote attacker could cause a denial of service (system crash) or, possibly execute arbitrary code, when the lbs_ibss_join_existing function is called after a STA connects to an AP.(CVE-2019-14896)A memory leak in the ath10k_usb_hif_tx_sg() function in driverset/wireless/ath/ath10k/usb.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering usb_submit_urb() failures, aka CID-b8d17e7d93d2.(CVE-2019-19078)A memory leak in the mlx5_fpga_conn_create_cq() function in driverset/ethernet/mellanox/mlx5/core/fpga/conn.c in the Linux kernel before 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering mlx5_vector2eqn() failures, aka CID-c8c2a057fdc7.(CVE-2019-19045)A stack-based buffer overflow was found in the Linux kernel, version kernel-2.6.32, in Marvell WiFi chip driver. An attacker is able to cause a denial of service (system crash) or, possibly execute arbitrary code, when a STA works in IBSS mode (allows connecting stations together without the use of an AP) and connects to another STA.(CVE-2019-14897)An out-of-bounds memory write issue was found in the Linux Kernel, version 3.13 through 5.4, in the way the Linux kernel last seen 2020-05-06 modified 2020-02-24 plugin id 133913 published 2020-02-24 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/133913 title EulerOS 2.0 SP5 : kernel (EulerOS-SA-2020-1112) code # # (C) Tenable Network Security, Inc. # include("compat.inc"); if (description) { script_id(133913); script_version("1.5"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/05/04"); script_cve_id( "CVE-2014-3180", "CVE-2016-2085", "CVE-2017-18549", "CVE-2017-18550", "CVE-2018-12207", "CVE-2018-5995", "CVE-2018-7273", "CVE-2019-0155", "CVE-2019-11085", "CVE-2019-11135", "CVE-2019-14895", "CVE-2019-14896", "CVE-2019-14897", "CVE-2019-14901", "CVE-2019-18660", "CVE-2019-19045", "CVE-2019-19078", "CVE-2019-19227", "CVE-2019-19332", "CVE-2019-19447", "CVE-2019-19525", "CVE-2019-19534", "CVE-2019-19536", "CVE-2019-19768", "CVE-2019-19813", "CVE-2019-19922", "CVE-2019-19965", "CVE-2019-19966", "CVE-2019-20054", "CVE-2019-20095", "CVE-2019-5108", "CVE-2019-9458" ); script_name(english:"EulerOS 2.0 SP5 : kernel (EulerOS-SA-2020-1112)"); script_summary(english:"Checks the rpm output for the updated packages."); script_set_attribute(attribute:"synopsis", value: "The remote EulerOS host is missing multiple security updates."); script_set_attribute(attribute:"description", value: "According to the versions of the kernel packages installed, the EulerOS 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):** DISPUTED ** In kernel/compat.c in the Linux kernel before 3.17, as used in Google Chrome OS and other products, there is a possible out-of-bounds read. restart_syscall uses uninitialized data when restarting compat_sys_nanosleep. NOTE: this is disputed because the code path is unreachable.(CVE-2014-3180)A heap overflow flaw was found in the Linux kernel, all versions 3.x.x and 4.x.x before 4.18.0, in Marvell WiFi chip driver. The vulnerability allows a remote attacker to cause a system crash, resulting in a denial of service, or execute arbitrary code. The highest threat with this vulnerability is with the availability of the system. If code execution occurs, the code will run with the permissions of root. This will affect both confidentiality and integrity of files on the system.(CVE-2019-14901)A heap-based buffer overflow vulnerability was found in the Linux kernel, version kernel-2.6.32, in Marvell WiFi chip driver. A remote attacker could cause a denial of service (system crash) or, possibly execute arbitrary code, when the lbs_ibss_join_existing function is called after a STA connects to an AP.(CVE-2019-14896)A memory leak in the ath10k_usb_hif_tx_sg() function in driverset/wireless/ath/ath10k/usb.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering usb_submit_urb() failures, aka CID-b8d17e7d93d2.(CVE-2019-19078)A memory leak in the mlx5_fpga_conn_create_cq() function in driverset/ethernet/mellanox/mlx5/core/fpga/conn.c in the Linux kernel before 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering mlx5_vector2eqn() failures, aka CID-c8c2a057fdc7.(CVE-2019-19045)A stack-based buffer overflow was found in the Linux kernel, version kernel-2.6.32, in Marvell WiFi chip driver. An attacker is able to cause a denial of service (system crash) or, possibly execute arbitrary code, when a STA works in IBSS mode (allows connecting stations together without the use of an AP) and connects to another STA.(CVE-2019-14897)An out-of-bounds memory write issue was found in the Linux Kernel, version 3.13 through 5.4, in the way the Linux kernel's KVM hypervisor handled the 'KVM_GET_EMULATED_CPUID' ioctl(2) request to get CPUID features emulated by the KVM hypervisor. A user or process able to access the '/dev/kvm' device could use this flaw to crash the system, resulting in a denial of service.(CVE-2019-19332)Improper invalidation for page table updates by a virtual guest operating system for multiple Intel(R) Processors may allow an authenticated user to potentially enable denial of service of the host system via local access.(CVE-2018-12207)In the Android kernel in the video driver there is a use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.(CVE-2019-9458)In the AppleTalk subsystem in the Linux kernel before 5.1, there is a potential NULL pointer dereference because register_snap_client may return NULL. This will lead to denial of service in net/appletalk/aarp.c and net/appletalk/ddp.c, as demonstrated by unregister_snap_client, aka CID-9804501fa122.(CVE-2019-19227)In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in __mutex_lock in kernel/locking/mutex.c. This is related to mutex_can_spin_on_owner in kernel/locking/mutex.c, __btrfs_qgroup_free_meta in fs/btrfs/qgroup.c, and btrfs_insert_delayed_items in fs/btrfs/delayed-inode.c.(CVE-2019-19813)In the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the __blk_add_trace function in kernel/trace/blktrace.c (which is used to fill out a blk_io_trace structure and place it in a per-cpu sub-buffer).(CVE-2019-19768)In the Linux kernel before 5.0.6, there is a NULL pointer dereference in drop_sysctl_table() in fs/proc/proc_sysctl.c, related to put_links, aka CID-23da9588037e.(CVE-2019-20054)In the Linux kernel before 5.2.9, there is an info-leak bug that can be caused by a malicious USB device in the driverset/can/usb/peak_usb/pcan_usb_pro.c driver, aka CID-ead16e53c2f0.(CVE-2019-19536)In the Linux kernel before 5.3.11, there is an info-leak bug that can be caused by a malicious USB device in the driverset/can/usb/peak_usb/pcan_usb_core.c driver, aka CID-f7a1337f0d29.(CVE-2019-19534)In the Linux kernel before 5.3.6, there is a use-after-free bug that can be caused by a malicious USB device in the driverset/ieee802154/atusb.c driver, aka CID-7fd25e6fc035.(CVE-2019-19525)Insufficient access control in a subsystem for Intel (R) processor graphics in 6th, 7th, 8th and 9th Generation Intel(R) Core(TM) Processor Families Intel(R) Pentium(R) Processor J, N, Silver and Gold Series Intel(R) Celeron(R) Processor J, N, G3900 and G4900 Series Intel(R) Atom(R) Processor A and E3900 Series Intel(R) Xeon(R) Processor E3-1500 v5 and v6, E-2100 and E-2200 Processor Families Intel(R) Graphics Driver for Windows before 26.20.100.6813 (DCH) or 26.20.100.6812 and before 21.20.x.5077 (aka15.45.5077), i915 Linux Driver for Intel(R) Processor Graphics before versions 5.4-rc7, 5.3.11, 4.19.84, 4.14.154, 4.9.201, 4.4.201 may allow an authenticated user to potentially enable escalation of privilege via local access.(CVE-2019-0155)Insufficient input validation in Kernel Mode Driver in Intel(R) i915 Graphics for Linux before version 5.0 may allow an authenticated user to potentially enable escalation of privilege via local access.(CVE-2019-11085)kernel/sched/fair.c in the Linux kernel before 5.3.9, when cpu.cfs_quota_us is used (e.g., with Kubernetes), allows attackers to cause a denial of service against non-cpu-bound applications by generating a workload that triggers unwanted slice expiration, aka CID-de53fd7aedb1. (In other words, although this slice expiration would typically be seen with benign workloads, it is possible that an attacker could calculate how many stray requests are required to force an entire Kubernetes cluster into a low-performance state caused by slice expiration, and ensure that a DDoS attack sent that number of stray requests. An attack does not affect the stability of the kernel it only causes mismanagement of application execution.)(CVE-2019-19922)The evm_verify_hmac function in security/integrity/evm/evm_main.c in the Linux kernel before 4.5 does not properly copy data, which makes it easier for local users to forge MAC values via a timing side-channel attack.(CVE-2016-2085)The pcpu_embed_first_chunk function in mm/percpu.c in the Linux kernel through 4.14.14 allows local users to obtain sensitive address information by reading dmesg data from a 'pages/cpu' printk call.(CVE-2018-5995)TSX Asynchronous Abort condition on some CPUs utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access.(CVE-2019-11135)An issue was discovered in drivers/scsi/aacraid/commctrl.c in the Linux kernel before 4.13. There is potential exposure of kernel stack memory because aac_send_raw_srb does not initialize the reply structure.(CVE-2017-18549)An issue was discovered in drivers/scsi/aacraid/commctrl.c in the Linux kernel before 4.13. There is potential exposure of kernel stack memory because aac_get_hba_info does not initialize the hbainfo structure.(CVE-2017-18550)In the Linux kernel through 4.15.4, the floppy driver reveals the addresses of kernel functions and global variables using printk calls within the function show_floppy in drivers/block/floppy.c. An attacker can read this information from dmesg and use the addresses to find the locations of kernel code and data and bypass kernel security protections such as KASLR.(CVE-2018-7273)A heap-based buffer overflow was discovered in the Linux kernel, all versions 3.x.x and 4.x.x before 4.18.0, in Marvell WiFi chip driver. The flaw could occur when the station attempts a connection negotiation during the handling of the remote devices country settings. This could allow the remote device to cause a denial of service (system crash) or possibly execute arbitrary code.(CVE-2019-14895)The Linux kernel before 5.4.1 on powerpc allows Information Exposure because the Spectre-RSB mitigation is not in place for all applicable CPUs, aka CID-39e72bf96f58. This is related to arch/powerpc/kernel/entry_64.S and arch/powerpc/kernel/security.c.(CVE-2019-18660)In the Linux kernel 5.0.21, mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c, related to dump_orphan_list in fs/ext4/super.c.(CVE-2019-19447)In the Linux kernel through 5.4.6, there is a NULL pointer dereference in drivers/scsi/libsas/sas_discover.c because of mishandling of port disconnection during discovery, related to a PHY down race condition, aka CID-f70267f379b5.(CVE-2019-19965)In the Linux kernel before 5.1.6, there is a use-after-free in cpia2_exit() in drivers/media/usb/cpia2/cpia2_v4l.c that will cause denial of service, aka CID-dea37a972655.(CVE-2019-19966)An exploitable denial-of-service vulnerability exists in the Linux kernel prior to mainline 5.3. An attacker could exploit this vulnerability by triggering AP to send IAPP location updates for stations before the required authentication process has completed. This could lead to different denial-of-service scenarios, either by causing CAM table attacks, or by leading to traffic flapping if faking already existing clients in other nearby APs of the same wireless infrastructure. An attacker can forge Authentication and Association Request packets to trigger this vulnerability.(CVE-2019-5108)mwifiex_tm_cmd in drivers/net/wireless/marvell/mwifiex/cfg80211.c in the Linux kernel before 5.1.6 has some error-handling cases that did not free allocated hostcmd memory, aka CID-003b686ace82. This will cause a memory leak and denial of service.(CVE-2019-20095) 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-2020-1112 script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?51adc7d4"); script_set_attribute(attribute:"solution", value: "Update the affected kernel 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:POC/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:P/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:"patch_publication_date", value:"2020/02/21"); script_set_attribute(attribute:"plugin_publication_date", value:"2020/02/24"); 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:perf"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:python-perf"); script_set_attribute(attribute:"cpe", value:"cpe:/o:huawei:euleros:2.0"); 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) 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/EulerOS/release", "Host/EulerOS/rpm-list", "Host/EulerOS/sp"); script_exclude_keys("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"); if (release !~ "^EulerOS release 2\.0(\D|$)") audit(AUDIT_OS_NOT, "EulerOS 2.0"); sp = get_kb_item("Host/EulerOS/sp"); if (isnull(sp) || sp !~ "^(5)$") audit(AUDIT_OS_NOT, "EulerOS 2.0 SP5"); uvp = get_kb_item("Host/EulerOS/uvp_version"); if (!empty_or_null(uvp)) audit(AUDIT_OS_NOT, "EulerOS 2.0 SP5", "EulerOS UVP " + uvp); 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$" && "aarch64" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "EulerOS", cpu); if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_ARCH_NOT, "i686 / x86_64", cpu); flag = 0; pkgs = ["kernel-3.10.0-862.14.1.5.h408.eulerosv2r7", "kernel-devel-3.10.0-862.14.1.5.h408.eulerosv2r7", "kernel-headers-3.10.0-862.14.1.5.h408.eulerosv2r7", "kernel-tools-3.10.0-862.14.1.5.h408.eulerosv2r7", "kernel-tools-libs-3.10.0-862.14.1.5.h408.eulerosv2r7", "perf-3.10.0-862.14.1.5.h408.eulerosv2r7", "python-perf-3.10.0-862.14.1.5.h408.eulerosv2r7"]; foreach (pkg in pkgs) if (rpm_check(release:"EulerOS-2.0", sp:"5", 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 family Huawei Local Security Checks NASL id EULEROS_SA-2019-1524.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 : - In the Linux kernel through 4.19, a use-after-free can occur due to a race condition between fanout_add from setsockopt and bind on an AF_PACKET socket. This issue exists because of the 15fe076edea787807a7cdc168df832544b58eba6 incomplete fix for a race condition. The code mishandles a certain multithreaded case involving a packet_do_bind unregister action followed by a packet_notifier register action. Later, packet_release operates on only one of the two applicable linked lists. The attacker can achieve Program Counter control.(CVE-2018-18559i1/4%0 - The acpi_ns_terminate() function in drivers/acpi/acpica/nsutils.c in the Linux kernel before 4.12 does not flush the operand cache and causes a kernel stack dump. A local users could obtain sensitive information from kernel memory and bypass the KASLR protection mechanism (in the kernel through 4.9) via a crafted ACPI table.(CVE-2017-11472i1/4%0 - Race condition in net/packet/af_packet.c in the Linux kernel allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a multithreaded application that makes PACKET_FANOUT setsockopt system calls.(CVE-2017-6346i1/4%0 - Multiple race conditions in ipc/shm.c in the Linux kernel before 3.12.2 allow local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via a crafted application that uses shmctl IPC_RMID operations in conjunction with other shm system calls.(CVE-2013-7026i1/4%0 - An issue was discovered in the Linux kernel. A NULL pointer dereference and panic in hfsplus_lookup() in the fs/hfsplus/dir.c function can occur when opening a file (that is purportedly a hard link) in an hfs+ filesystem that has malformed catalog data, and is mounted read-only without a metadata directory.(CVE-2018-14617i1/4%0 - The treo_attach function in drivers/usb/serial/visor.c in the Linux kernel before 4.5 allows physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by inserting a USB device that lacks a (1) bulk-in or (2) interrupt-in endpoint.(CVE-2016-2782i1/4%0 - An information-exposure flaw was found in the Linux kernel where the pcpu_embed_first_chunk() function in mm/percpu.c allows local users to obtain kernel-object address information by reading the kernel log (dmesg). However, this address is not static and cannot be used to commit a further attack.(CVE-2018-5995i1/4%0 - Buffer overflow in net/ceph/auth_x.c in Ceph, as used in the Linux kernel before 3.16.3, allows remote attackers to cause a denial of service (memory corruption and panic) or possibly have unspecified other impact via a long unencrypted auth ticket.(CVE-2014-6416i1/4%0 - It was found that the Linux kernel last seen 2020-03-19 modified 2019-05-14 plugin id 124977 published 2019-05-14 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/124977 title EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1524) code # # (C) Tenable Network Security, Inc. # include("compat.inc"); if (description) { script_id(124977); script_version("1.5"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/19"); script_cve_id( "CVE-2013-7026", "CVE-2014-4699", "CVE-2014-6416", "CVE-2014-7970", "CVE-2014-9584", "CVE-2014-9892", "CVE-2014-9922", "CVE-2015-0275", "CVE-2015-2925", "CVE-2016-2548", "CVE-2016-2782", "CVE-2016-9756", "CVE-2017-11472", "CVE-2017-17975", "CVE-2017-6346", "CVE-2017-7889", "CVE-2018-14617", "CVE-2018-18559", "CVE-2018-5953", "CVE-2018-5995" ); script_bugtraq_id( 64312, 68411, 69805, 70319, 71883, 73926, 75139 ); script_name(english:"EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1524)"); 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 : - In the Linux kernel through 4.19, a use-after-free can occur due to a race condition between fanout_add from setsockopt and bind on an AF_PACKET socket. This issue exists because of the 15fe076edea787807a7cdc168df832544b58eba6 incomplete fix for a race condition. The code mishandles a certain multithreaded case involving a packet_do_bind unregister action followed by a packet_notifier register action. Later, packet_release operates on only one of the two applicable linked lists. The attacker can achieve Program Counter control.(CVE-2018-18559i1/4%0 - The acpi_ns_terminate() function in drivers/acpi/acpica/nsutils.c in the Linux kernel before 4.12 does not flush the operand cache and causes a kernel stack dump. A local users could obtain sensitive information from kernel memory and bypass the KASLR protection mechanism (in the kernel through 4.9) via a crafted ACPI table.(CVE-2017-11472i1/4%0 - Race condition in net/packet/af_packet.c in the Linux kernel allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a multithreaded application that makes PACKET_FANOUT setsockopt system calls.(CVE-2017-6346i1/4%0 - Multiple race conditions in ipc/shm.c in the Linux kernel before 3.12.2 allow local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via a crafted application that uses shmctl IPC_RMID operations in conjunction with other shm system calls.(CVE-2013-7026i1/4%0 - An issue was discovered in the Linux kernel. A NULL pointer dereference and panic in hfsplus_lookup() in the fs/hfsplus/dir.c function can occur when opening a file (that is purportedly a hard link) in an hfs+ filesystem that has malformed catalog data, and is mounted read-only without a metadata directory.(CVE-2018-14617i1/4%0 - The treo_attach function in drivers/usb/serial/visor.c in the Linux kernel before 4.5 allows physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by inserting a USB device that lacks a (1) bulk-in or (2) interrupt-in endpoint.(CVE-2016-2782i1/4%0 - An information-exposure flaw was found in the Linux kernel where the pcpu_embed_first_chunk() function in mm/percpu.c allows local users to obtain kernel-object address information by reading the kernel log (dmesg). However, this address is not static and cannot be used to commit a further attack.(CVE-2018-5995i1/4%0 - Buffer overflow in net/ceph/auth_x.c in Ceph, as used in the Linux kernel before 3.16.3, allows remote attackers to cause a denial of service (memory corruption and panic) or possibly have unspecified other impact via a long unencrypted auth ticket.(CVE-2014-6416i1/4%0 - It was found that the Linux kernel's ptrace subsystem allowed a traced process' instruction pointer to be set to a non-canonical memory address without forcing the non-sysret code path when returning to user space. A local, unprivileged user could use this flaw to crash the system or, potentially, escalate their privileges on the system.Note: The CVE-2014-4699 issue only affected systems using an Intel CPU.(CVE-2014-4699i1/4%0 - The snd_compr_tstamp function in sound/core/compress_offload.c in the Linux kernel through 4.7, as used in Android before 2016-08-05 on Nexus 5 and 7 (2013) devices, does not properly initialize a timestamp data structure, which allows attackers to obtain sensitive information via a crafted application, aka Android internal bug 28770164 and Qualcomm internal bug CR568717.(CVE-2014-9892i1/4%0 - A flaw was found in the way the Linux kernel's ext4 file system handled the 'page size i1/4z block size' condition when the fallocate zero range functionality was used. A local attacker could use this flaw to crash the system.(CVE-2015-0275i1/4%0 - An information leak flaw was found in the way the Linux kernel's ISO9660 file system implementation accessed data on an ISO9660 image with RockRidge Extension Reference (ER) records. An attacker with physical access to the system could use this flaw to disclose up to 255 bytes of kernel memory.(CVE-2014-9584i1/4%0 - The pivot_root implementation in fs/namespace.c in the Linux kernel through 3.17 does not properly interact with certain locations of a chroot directory, which allows local users to cause a denial of service (mount-tree loop) via . (dot) values in both arguments to the pivot_root system call.(CVE-2014-7970i1/4%0 - arch/x86/kvm/emulate.c in the Linux kernel before 4.8.12 does not properly initialize Code Segment (CS) in certain error cases, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.(CVE-2016-9756i1/4%0 - A flaw was found in the Linux kernel where the swiotlb_print_info() function in lib/swiotlb.c allows local users to obtain some kernel address information by reading the kernel log (dmesg). This address is not useful to commit a further attack.(CVE-2018-5953i1/4%0 - A flaw was found in the way the Linux kernel's file system implementation handled rename operations in which the source was inside and the destination was outside of a bind mount. A privileged user inside a container could use this flaw to escape the bind mount and, potentially, escalate their privileges on the system.(CVE-2015-2925i1/4%0 - A use-after-free fault in the Linux kernel's usbtv driver could allow an attacker to cause a denial of service (system crash), or have unspecified other impacts, by triggering failure of audio registration of USB hardware using the usbtv kernel module.(CVE-2017-17975i1/4%0 - The mm subsystem in the Linux kernel through 4.10.10 does not properly enforce the CONFIG_STRICT_DEVMEM protection mechanism, which allows local users to read or write to kernel memory locations in the first megabyte (and bypass slab-allocation access restrictions) via an application that opens the /dev/mem file, related to arch/x86/mm/init.c and drivers/char/mem.c.(CVE-2017-7889i1/4%0 - A flaw was discovered in the way the kernel allows stackable filesystems to overlay. A local attacker who is able to mount filesystems can abuse this flaw to escalate privileges.(CVE-2014-9922i1/4%0 - sound/core/timer.c in the Linux kernel before 4.4.1 retains certain linked lists after a close or stop action, which allows local users to cause a denial of service (system crash) via a crafted ioctl call, related to the (1) snd_timer_close and (2) _snd_timer_stop functions.(CVE-2016-2548i1/4%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-2019-1524 script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?a641036f"); script_set_attribute(attribute:"solution", value: "Update the affected kernel packages."); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C"); script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/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 family PhotonOS Local Security Checks NASL id PHOTONOS_PHSA-2020-1_0-0299_LINUX.NASL description An update of the linux package has been released. last seen 2020-06-12 modified 2020-06-10 plugin id 137316 published 2020-06-10 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/137316 title Photon OS 1.0: Linux PHSA-2020-1.0-0299 code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from VMware Security Advisory PHSA-2020-1.0-0299. The text # itself is copyright (C) VMware, Inc. include('compat.inc'); if (description) { script_id(137316); script_version("1.2"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/11"); script_cve_id("CVE-2018-5995"); script_bugtraq_id(105049); script_name(english:"Photon OS 1.0: Linux PHSA-2020-1.0-0299"); script_set_attribute(attribute:"synopsis", value: "The remote PhotonOS host is missing multiple security updates."); script_set_attribute(attribute:"description", value: "An update of the linux package has been released."); script_set_attribute(attribute:"see_also", value:"https://github.com/vmware/photon/wiki/Security-Updates-1.0-299.md"); script_set_attribute(attribute:"solution", value: "Update the affected Linux 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-2018-5995"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"vuln_publication_date", value:"2018/08/07"); script_set_attribute(attribute:"patch_publication_date", value:"2020/06/07"); script_set_attribute(attribute:"plugin_publication_date", value:"2020/06/10"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:vmware:photonos:linux"); script_set_attribute(attribute:"cpe", value:"cpe:/o:vmware:photonos:1.0"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_family(english:"PhotonOS Local Security Checks"); script_copyright(english:"This script is Copyright (C) 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/PhotonOS/release", "Host/PhotonOS/rpm-list"); 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/PhotonOS/release"); if (isnull(release) || release !~ "^VMware Photon") audit(AUDIT_OS_NOT, "PhotonOS"); if (release !~ "^VMware Photon (?:Linux|OS) 1\.0(\D|$)") audit(AUDIT_OS_NOT, "PhotonOS 1.0"); if (!get_kb_item("Host/PhotonOS/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, "PhotonOS", cpu); flag = 0; if (rpm_check(release:"PhotonOS-1.0", cpu:"x86_64", reference:"linux-4.4.224-3.ph1")) flag++; if (rpm_check(release:"PhotonOS-1.0", cpu:"x86_64", reference:"linux-dev-4.4.224-3.ph1")) flag++; if (rpm_check(release:"PhotonOS-1.0", cpu:"x86_64", reference:"linux-docs-4.4.224-3.ph1")) flag++; if (rpm_check(release:"PhotonOS-1.0", cpu:"x86_64", reference:"linux-drivers-gpu-4.4.224-3.ph1")) flag++; if (rpm_check(release:"PhotonOS-1.0", cpu:"x86_64", reference:"linux-esx-4.4.224-3.ph1")) flag++; if (rpm_check(release:"PhotonOS-1.0", cpu:"x86_64", reference:"linux-esx-devel-4.4.224-3.ph1")) flag++; if (rpm_check(release:"PhotonOS-1.0", cpu:"x86_64", reference:"linux-esx-docs-4.4.224-3.ph1")) flag++; if (rpm_check(release:"PhotonOS-1.0", cpu:"x86_64", reference:"linux-oprofile-4.4.224-3.ph1")) flag++; if (rpm_check(release:"PhotonOS-1.0", cpu:"x86_64", reference:"linux-sound-4.4.224-3.ph1")) flag++; if (rpm_check(release:"PhotonOS-1.0", cpu:"x86_64", reference:"linux-tools-4.4.224-3.ph1")) flag++; if (flag) { security_report_v4( port : 0, severity : SECURITY_NOTE, 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, "linux"); }
NASL family Debian Local Security Checks NASL id DEBIAN_DSA-4497.NASL description Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. - CVE-2015-8553 Jan Beulich discovered that CVE-2015-2150 was not completely addressed. If a PCI physical function is passed through to a Xen guest, the guest is able to access its memory and I/O regions before enabling decoding of those regions. This could result in a denial-of-service (unexpected NMI) on the host. The fix for this is incompatible with qemu versions before 2.5. - CVE-2017-18509 Denis Andzakovic reported a missing type check in the IPv4 multicast routing implementation. A user with the CAP_NET_ADMIN capability (in any user namespace) could use this for denial-of-service (memory corruption or crash) or possibly for privilege escalation. - CVE-2018-5995 ADLab of VenusTech discovered that the kernel logged the virtual addresses assigned to per-CPU data, which could make it easier to exploit other vulnerabilities. - CVE-2018-20836 chenxiang reported a race condition in libsas, the kernel subsystem supporting Serial Attached SCSI (SAS) devices, which could lead to a use-after-free. It is not clear how this might be exploited. - CVE-2018-20856 Xiao Jin reported a potential double-free in the block subsystem, in case an error occurs while initialising the I/O scheduler for a block device. It is not clear how this might be exploited. - CVE-2019-1125 It was discovered that most x86 processors could speculatively skip a conditional SWAPGS instruction used when entering the kernel from user mode, and/or could speculatively execute it when it should be skipped. This is a subtype of Spectre variant 1, which could allow local users to obtain sensitive information from the kernel or other processes. It has been mitigated by using memory barriers to limit speculative execution. Systems using an i386 kernel are not affected as the kernel does not use SWAPGS. - CVE-2019-3882 It was found that the vfio implementation did not limit the number of DMA mappings to device memory. A local user granted ownership of a vfio device could use this to cause a denial of service (out-of-memory condition). - CVE-2019-3900 It was discovered that vhost drivers did not properly control the amount of work done to service requests from guest VMs. A malicious guest could use this to cause a denial-of-service (unbounded CPU usage) on the host. - CVE-2019-10207 The syzkaller tool found a potential null dereference in various drivers for UART-attached Bluetooth adapters. A local user with access to a pty device or other suitable tty device could use this for denial-of-service (BUG/oops). - CVE-2019-10638 Amit Klein and Benny Pinkas discovered that the generation of IP packet IDs used a weak hash function, last seen 2020-06-01 modified 2020-06-02 plugin id 127867 published 2019-08-14 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/127867 title Debian DSA-4497-1 : linux - security update code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Debian Security Advisory DSA-4497. The text # itself is copyright (C) Software in the Public Interest, Inc. # include("compat.inc"); if (description) { script_id(127867); script_version("1.4"); script_cvs_date("Date: 2020/02/18"); script_cve_id("CVE-2015-8553", "CVE-2017-18509", "CVE-2018-20836", "CVE-2018-20856", "CVE-2018-5995", "CVE-2019-10207", "CVE-2019-10638", "CVE-2019-10639", "CVE-2019-1125", "CVE-2019-13631", "CVE-2019-13648", "CVE-2019-14283", "CVE-2019-14284", "CVE-2019-15239", "CVE-2019-3882", "CVE-2019-3900"); script_xref(name:"DSA", value:"4497"); script_name(english:"Debian DSA-4497-1 : linux - security update"); script_summary(english:"Checks dpkg output for the updated package"); script_set_attribute( attribute:"synopsis", value:"The remote Debian host is missing a security-related 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-2015-8553 Jan Beulich discovered that CVE-2015-2150 was not completely addressed. If a PCI physical function is passed through to a Xen guest, the guest is able to access its memory and I/O regions before enabling decoding of those regions. This could result in a denial-of-service (unexpected NMI) on the host. The fix for this is incompatible with qemu versions before 2.5. - CVE-2017-18509 Denis Andzakovic reported a missing type check in the IPv4 multicast routing implementation. A user with the CAP_NET_ADMIN capability (in any user namespace) could use this for denial-of-service (memory corruption or crash) or possibly for privilege escalation. - CVE-2018-5995 ADLab of VenusTech discovered that the kernel logged the virtual addresses assigned to per-CPU data, which could make it easier to exploit other vulnerabilities. - CVE-2018-20836 chenxiang reported a race condition in libsas, the kernel subsystem supporting Serial Attached SCSI (SAS) devices, which could lead to a use-after-free. It is not clear how this might be exploited. - CVE-2018-20856 Xiao Jin reported a potential double-free in the block subsystem, in case an error occurs while initialising the I/O scheduler for a block device. It is not clear how this might be exploited. - CVE-2019-1125 It was discovered that most x86 processors could speculatively skip a conditional SWAPGS instruction used when entering the kernel from user mode, and/or could speculatively execute it when it should be skipped. This is a subtype of Spectre variant 1, which could allow local users to obtain sensitive information from the kernel or other processes. It has been mitigated by using memory barriers to limit speculative execution. Systems using an i386 kernel are not affected as the kernel does not use SWAPGS. - CVE-2019-3882 It was found that the vfio implementation did not limit the number of DMA mappings to device memory. A local user granted ownership of a vfio device could use this to cause a denial of service (out-of-memory condition). - CVE-2019-3900 It was discovered that vhost drivers did not properly control the amount of work done to service requests from guest VMs. A malicious guest could use this to cause a denial-of-service (unbounded CPU usage) on the host. - CVE-2019-10207 The syzkaller tool found a potential null dereference in various drivers for UART-attached Bluetooth adapters. A local user with access to a pty device or other suitable tty device could use this for denial-of-service (BUG/oops). - CVE-2019-10638 Amit Klein and Benny Pinkas discovered that the generation of IP packet IDs used a weak hash function, 'jhash'. This could enable tracking individual computers as they communicate with different remote servers and from different networks. The 'siphash' function is now used instead. - CVE-2019-10639 Amit Klein and Benny Pinkas discovered that the generation of IP packet IDs used a weak hash function that incorporated a kernel virtual address. This hash function is no longer used for IP IDs, although it is still used for other purposes in the network stack. - CVE-2019-13631 It was discovered that the gtco driver for USB input tablets could overrun a stack buffer with constant data while parsing the device's descriptor. A physically present user with a specially constructed USB device could use this to cause a denial-of-service (BUG/oops), or possibly for privilege escalation. - CVE-2019-13648 Praveen Pandey reported that on PowerPC (ppc64el) systems without Transactional Memory (TM), the kernel would still attempt to restore TM state passed to the sigreturn() system call. A local user could use this for denial-of-service (oops). - CVE-2019-14283 The syzkaller tool found a missing bounds check in the floppy disk driver. A local user with access to a floppy disk device, with a disk present, could use this to read kernel memory beyond the I/O buffer, possibly obtaining sensitive information. - CVE-2019-14284 The syzkaller tool found a potential division-by-zero in the floppy disk driver. A local user with access to a floppy disk device could use this for denial-of-service (oops). - CVE-2019-15239 Denis Andzakovic reported a possible use-after-free in the TCP sockets implementation. A local user could use this for denial-of-service (memory corruption or crash) or possibly for privilege escalation. - (CVE ID not yet assigned) The netfilter conntrack subsystem used kernel addresses as user-visible IDs, which could make it easier to exploit other security vulnerabilities. - XSA-300 Julien Grall reported that Linux does not limit the amount of memory which a domain will attempt to balloon out, nor limits the amount of 'foreign / grant map' memory which any individual guest can consume, leading to denial of service conditions (for host or guests)." ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2015-8553" ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2015-2150" ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2017-18509" ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2018-5995" ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2018-20836" ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2018-20856" ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2019-1125" ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2019-3882" ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2019-3900" ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2019-10207" ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2019-10638" ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2019-10639" ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2019-13631" ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2019-13648" ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2019-14283" ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2019-14284" ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2019-15239" ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/source-package/linux" ); script_set_attribute( attribute:"see_also", value:"https://packages.debian.org/source/stretch/linux" ); script_set_attribute( attribute:"see_also", value:"https://packages.debian.org/source/buster/linux" ); script_set_attribute( attribute:"see_also", value:"https://www.debian.org/security/2019/dsa-4497" ); script_set_attribute( attribute:"solution", value: "Upgrade the linux packages. For the oldstable distribution (stretch), these problems have been fixed in version 4.9.168-1+deb9u5. For the stable distribution (buster), these problems were mostly fixed in version 4.19.37-5+deb10u2 or earlier." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:N/AC:H/PR:N/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:"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"); script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:10.0"); script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0"); script_set_attribute(attribute:"vuln_publication_date", value:"2016/04/13"); 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:"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:"10.0", prefix:"affs-modules-4.19.0-5-4kc-malta-di", reference:"4.19.37-5+deb10u2")) flag++; if (deb_check(release:"10.0", prefix:"affs-modules-4.19.0-5-5kc-malta-di", reference:"4.19.37-5+deb10u2")) flag++; if (deb_check(release:"10.0", prefix:"affs-modules-4.19.0-5-loongson-3-di", reference:"4.19.37-5+deb10u2")) flag++; 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if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-686", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-686-pae", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-all", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-all-amd64", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-all-arm64", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-all-armel", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-all-armhf", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-all-i386", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-all-mips", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-all-mips64el", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-all-mipsel", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-all-ppc64el", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-all-s390x", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-amd64", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-arm64", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-armmp", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-armmp-lpae", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-common", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-common-rt", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-loongson-3", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-marvell", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-octeon", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-powerpc64le", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-rt-686-pae", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-rt-amd64", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-headers-4.9.0-9-s390x", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-4kc-malta", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-4kc-malta-dbg", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-5kc-malta", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-5kc-malta-dbg", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-686", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-686-dbg", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-686-pae", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-686-pae-dbg", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-amd64", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-amd64-dbg", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-arm64", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-arm64-dbg", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-armmp", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-armmp-dbg", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-armmp-lpae", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-armmp-lpae-dbg", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-loongson-3", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-loongson-3-dbg", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-marvell", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-marvell-dbg", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-octeon", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-octeon-dbg", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-powerpc64le", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-powerpc64le-dbg", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-rt-686-pae", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-rt-686-pae-dbg", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-rt-amd64", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-rt-amd64-dbg", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-s390x", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-image-4.9.0-9-s390x-dbg", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-kbuild-4.9", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-libc-dev", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-manual-4.9", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-perf-4.9", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-source-4.9", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"linux-support-4.9.0-9", reference:"4.9.168-1+deb9u5")) flag++; if (deb_check(release:"9.0", prefix:"usbip", reference:"4.9.168-1+deb9u5")) 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 family Debian Local Security Checks NASL id DEBIAN_DLA-1799.NASL description Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. This updated advisory text adds a note about the need to install new binary packages. CVE-2018-5995 ADLab of VenusTech discovered that the kernel logged the virtual addresses assigned to per-CPU data, which could make it easier to exploit other vulnerabilities. CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091 Multiple researchers have discovered vulnerabilities in the way that Intel processor designs implement speculative forwarding of data filled into temporary microarchitectural structures (buffers). This flaw could allow an attacker controlling an unprivileged process to read sensitive information, including from the kernel and all other processes running on the system, or across guest/host boundaries to read host memory. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/m ds.html for more details. To fully resolve these vulnerabilities it is also necessary to install updated CPU microcode. An updated intel-microcode package (only available in Debian non-free) was provided via DLA-1789-1. The updated CPU microcode may also be available as part of a system firmware ( last seen 2020-06-01 modified 2020-06-02 plugin id 125478 published 2019-05-29 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/125478 title Debian DLA-1799-2 : linux security update (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Debian Security Advisory DLA-1799-2. The text # itself is copyright (C) Software in the Public Interest, Inc. # include("compat.inc"); if (description) { script_id(125478); script_version("1.6"); script_cvs_date("Date: 2020/01/31"); script_cve_id("CVE-2018-12126", "CVE-2018-12127", "CVE-2018-12130", "CVE-2018-5995", "CVE-2019-11091", "CVE-2019-11190", "CVE-2019-11486", "CVE-2019-11599", "CVE-2019-2024", "CVE-2019-3459", "CVE-2019-3460", "CVE-2019-3882", "CVE-2019-3901", "CVE-2019-6133", "CVE-2019-9503"); script_name(english:"Debian DLA-1799-2 : linux security update (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)"); 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. This updated advisory text adds a note about the need to install new binary packages. CVE-2018-5995 ADLab of VenusTech discovered that the kernel logged the virtual addresses assigned to per-CPU data, which could make it easier to exploit other vulnerabilities. CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091 Multiple researchers have discovered vulnerabilities in the way that Intel processor designs implement speculative forwarding of data filled into temporary microarchitectural structures (buffers). This flaw could allow an attacker controlling an unprivileged process to read sensitive information, including from the kernel and all other processes running on the system, or across guest/host boundaries to read host memory. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/m ds.html for more details. To fully resolve these vulnerabilities it is also necessary to install updated CPU microcode. An updated intel-microcode package (only available in Debian non-free) was provided via DLA-1789-1. The updated CPU microcode may also be available as part of a system firmware ('BIOS') update. CVE-2019-2024 A use-after-free bug was discovered in the em28xx video capture driver. Local users might be able to use this for denial of service (memory corruption or crash) or possibly for privilege escalation. CVE-2019-3459, CVE-2019-3460 Shlomi Oberman, Yuli Shapiro, and Karamba Security Ltd. research team discovered missing range checks in the Bluetooth L2CAP implementation. If Bluetooth is enabled, a nearby attacker could use these to read sensitive information from the kernel. CVE-2019-3882 It was found that the vfio implementation did not limit the number of DMA mappings to device memory. A local user granted ownership of a vfio device could use this to cause a denial of service (out-of-memory condition). CVE-2019-3901 Jann Horn of Google reported a race condition that would allow a local user to read performance events from a task after it executes a setuid program. This could leak sensitive information processed by setuid programs. Debian's kernel configuration does not allow unprivileged users to access peformance events by default, which fully mitigates this issue. CVE-2019-6133 Jann Horn of Google found that Policykit's authentication check could be bypassed by a local user creating a process with the same start time and process ID as an older authenticated process. PolicyKit was already updated to fix this in DLA-1644-1. The kernel has additionally been updated to avoid a delay between assigning start time and process ID, which should make the attack impractical. CVE-2019-9503 Hugues Anguelkov and others at Quarkslab discovered that the brcmfmac (Broadcom wifi FullMAC) driver did not correctly distinguish messages sent by the wifi firmware from other packets. An attacker using the same wifi network could use this for denial of service or to exploit other vulnerabilities in the driver. CVE-2019-11190 Robert Święcki reported that when a setuid program was executed it was still possible to read performance events while the kernel set up the program's address space. A local user could use this to defeat ASLR in a setuid program, making it easier to exploit other vulnerabilities in the program. Debian's kernel configuration does not allow unprivileged users to access peformance events by default, which fully mitigates this issue. CVE-2019-11486 Jann Horn of Google reported numerous race conditions in the Siemens R3964 line discipline. A local user could use these to cause unspecified security impact. This module has therefore been disabled. CVE-2019-11599 Jann Horn of Google reported a race condition in the core dump implementation which could lead to a use-after-free. A local user could use this to read sensitive information, to cause a denial of service (memory corruption), or for privilege escalation. For Debian 8 'Jessie', these problems have been fixed in version 3.16.68-1. This version also includes a fix for Debian bug #927781, and other fixes included in upstream stable updates. We recommend that you upgrade your linux and linux-latest packages. You will need to use 'apt-get upgrade --with-new-pkgs' or 'apt upgrade' as the binary package names have changed. 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/2019/05/msg00042.html" ); script_set_attribute( attribute:"see_also", value:"https://packages.debian.org/source/jessie/linux" ); script_set_attribute( attribute:"see_also", value:"https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html" ); script_set_attribute(attribute:"solution", value:"Upgrade the affected packages."); script_set_cvss_base_vector("CVSS2#AV:A/AC:M/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:A/AC:H/PR:N/UI:N/S:C/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-2019-9503"); script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available"); script_set_attribute(attribute:"exploit_available", value:"true"); 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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:"2018/08/07"); script_set_attribute(attribute:"patch_publication_date", value:"2019/05/28"); script_set_attribute(attribute:"plugin_publication_date", value:"2019/05/29"); 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-4.8-arm", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-compiler-gcc-4.8-x86", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-compiler-gcc-4.9-x86", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-doc-3.16", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-586", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-686-pae", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-all", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-all-amd64", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-all-armel", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-all-armhf", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-all-i386", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-amd64", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-armmp", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-armmp-lpae", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-common", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-ixp4xx", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-kirkwood", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-orion5x", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-3.16.0-9-versatile", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-586", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-686-pae", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-686-pae-dbg", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-amd64", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-amd64-dbg", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-armmp", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-armmp-lpae", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-ixp4xx", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-kirkwood", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-orion5x", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-3.16.0-9-versatile", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-libc-dev", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-manual-3.16", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-source-3.16", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"linux-support-3.16.0-9", reference:"3.16.68-1")) flag++; if (deb_check(release:"8.0", prefix:"xen-linux-system-3.16.0-9-amd64", reference:"3.16.68-1")) 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 family Debian Local Security Checks NASL id DEBIAN_DLA-1885.NASL description Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. CVE-2017-18509 Denis Andzakovic reported a missing type check in the IPv4 multicast routing implementation. A user with the CAP_NET_ADMIN capability (in any user namespace) could use this for denial of service (memory corruption or crash) or possibly for privilege escalation. CVE-2018-5995 ADLab of VenusTech discovered that the kernel logged the virtual addresses assigned to per-CPU data, which could make it easier to exploit other vulnerabilities. CVE-2018-20836 chenxiang reported a race condition in libsas, the kernel subsystem supporting Serial Attached SCSI (SAS) devices, which could lead to a use-after-free. It is not clear how this might be exploited. CVE-2018-20856 Xiao Jin reported a potential double-free in the block subsystem, in case an error occurs while initialising the I/O scheduler for a block device. It is not clear how this might be exploited. CVE-2019-1125 It was discovered that most x86 processors could speculatively skip a conditional SWAPGS instruction used when entering the kernel from user mode, and/or could speculatively execute it when it should be skipped. This is a subtype of Spectre variant 1, which could allow local users to obtain sensitive information from the kernel or other processes. It has been mitigated by using memory barriers to limit speculative execution. Systems using an i386 kernel are not affected as the kernel does not use SWAPGS. CVE-2019-3882 It was found that the vfio implementation did not limit the number of DMA mappings to device memory. A local user granted ownership of a vfio device could use this to cause a denial of service (out-of-memory condition). CVE-2019-3900 It was discovered that vhost drivers did not properly control the amount of work done to service requests from guest VMs. A malicious guest could use this to cause a denial of service (unbounded CPU usage) on the host. CVE-2019-10207 The syzkaller tool found a potential null dereference in various drivers for UART-attached Bluetooth adapters. A local user with access to a pty device or other suitable tty device could use this for denial of service (BUG/oops). CVE-2019-10638 Amit Klein and Benny Pinkas discovered that the generation of IP packet IDs used a weak hash function, last seen 2020-06-01 modified 2020-06-02 plugin id 127921 published 2019-08-20 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/127921 title Debian DLA-1885-1 : linux-4.9 security update code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Debian Security Advisory DLA-1885-1. The text # itself is copyright (C) Software in the Public Interest, Inc. # include("compat.inc"); if (description) { script_id(127921); script_version("1.3"); script_cvs_date("Date: 2020/02/18"); script_cve_id("CVE-2017-18509", "CVE-2018-20836", "CVE-2018-20856", "CVE-2018-5995", "CVE-2019-10207", "CVE-2019-10638", "CVE-2019-10639", "CVE-2019-1125", "CVE-2019-13631", "CVE-2019-13648", "CVE-2019-14283", "CVE-2019-14284", "CVE-2019-3882", "CVE-2019-3900"); script_name(english:"Debian DLA-1885-1 : linux-4.9 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: "Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. CVE-2017-18509 Denis Andzakovic reported a missing type check in the IPv4 multicast routing implementation. A user with the CAP_NET_ADMIN capability (in any user namespace) could use this for denial of service (memory corruption or crash) or possibly for privilege escalation. CVE-2018-5995 ADLab of VenusTech discovered that the kernel logged the virtual addresses assigned to per-CPU data, which could make it easier to exploit other vulnerabilities. CVE-2018-20836 chenxiang reported a race condition in libsas, the kernel subsystem supporting Serial Attached SCSI (SAS) devices, which could lead to a use-after-free. It is not clear how this might be exploited. CVE-2018-20856 Xiao Jin reported a potential double-free in the block subsystem, in case an error occurs while initialising the I/O scheduler for a block device. It is not clear how this might be exploited. CVE-2019-1125 It was discovered that most x86 processors could speculatively skip a conditional SWAPGS instruction used when entering the kernel from user mode, and/or could speculatively execute it when it should be skipped. This is a subtype of Spectre variant 1, which could allow local users to obtain sensitive information from the kernel or other processes. It has been mitigated by using memory barriers to limit speculative execution. Systems using an i386 kernel are not affected as the kernel does not use SWAPGS. CVE-2019-3882 It was found that the vfio implementation did not limit the number of DMA mappings to device memory. A local user granted ownership of a vfio device could use this to cause a denial of service (out-of-memory condition). CVE-2019-3900 It was discovered that vhost drivers did not properly control the amount of work done to service requests from guest VMs. A malicious guest could use this to cause a denial of service (unbounded CPU usage) on the host. CVE-2019-10207 The syzkaller tool found a potential null dereference in various drivers for UART-attached Bluetooth adapters. A local user with access to a pty device or other suitable tty device could use this for denial of service (BUG/oops). CVE-2019-10638 Amit Klein and Benny Pinkas discovered that the generation of IP packet IDs used a weak hash function, 'jhash'. This could enable tracking individual computers as they communicate with different remote servers and from different networks. The 'siphash' function is now used instead. CVE-2019-10639 Amit Klein and Benny Pinkas discovered that the generation of IP packet IDs used a weak hash function that incorporated a kernel virtual address. This hash function is no longer used for IP IDs, although it is still used for other purposes in the network stack. CVE-2019-13631 It was discovered that the gtco driver for USB input tablets could overrun a stack buffer with constant data while parsing the device's descriptor. A physically present user with a specially constructed USB device could use this to cause a denial of service (BUG/oops), or possibly for privilege escalation. CVE-2019-13648 Praveen Pandey reported that on PowerPC (ppc64el) systems without Transactional Memory (TM), the kernel would still attempt to restore TM state passed to the sigreturn() system call. A local user could use this for denial of service (oops). CVE-2019-14283 The syzkaller tool found a missing bounds check in the floppy disk driver. A local user with access to a floppy disk device, with a disk present, could use this to read kernel memory beyond the I/O buffer, possibly obtaining sensitive information. CVE-2019-14284 The syzkaller tool found a potential division-by-zero in the floppy disk driver. A local user with access to a floppy disk device could use this for denial of service (oops). (CVE ID not yet assigned) Denis Andzakovic reported a possible use-after-free in the TCP sockets implementation. A local user could use this for denial of service (memory corruption or crash) or possibly for privilege escalation. (CVE ID not yet assigned) The netfilter conntrack subsystem used kernel addresses as user-visible IDs, which could make it easier to exploit other security vulnerabilities. XSA-300 Julien Grall reported that Linux does not limit the amount of memory which a domain will attempt to baloon out, nor limits the amount of 'foreign / grant map' memory which any individual guest can consume, leading to denial of service conditions (for host or guests). For Debian 8 'Jessie', these problems have been fixed in version 4.9.168-1+deb9u5~deb8u1. 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/2019/08/msg00017.html" ); script_set_attribute( attribute:"see_also", value:"https://packages.debian.org/source/jessie/linux-4.9" ); script_set_attribute(attribute:"solution", value:"Upgrade the affected packages."); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:N/AC:H/PR:N/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:"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"); 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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:"2018/08/07"); script_set_attribute(attribute:"patch_publication_date", value:"2019/08/14"); script_set_attribute(attribute:"plugin_publication_date", value:"2019/08/20"); 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:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-doc-4.9", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-686", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-686-pae", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-all", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-all-amd64", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-all-armel", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-all-armhf", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-all-i386", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-amd64", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-armmp", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-armmp-lpae", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-common", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-common-rt", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-marvell", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-rt-686-pae", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-headers-4.9.0-0.bpo.7-rt-amd64", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-686", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-686-pae", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-686-pae-dbg", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-amd64", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-amd64-dbg", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-armmp", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-armmp-lpae", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-marvell", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-rt-686-pae", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-rt-686-pae-dbg", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-rt-amd64", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-image-4.9.0-0.bpo.7-rt-amd64-dbg", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-kbuild-4.9", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-manual-4.9", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-perf-4.9", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-source-4.9", reference:"4.9.168-1+deb9u5~deb8u1")) flag++; if (deb_check(release:"8.0", prefix:"linux-support-4.9.0-0.bpo.7", reference:"4.9.168-1+deb9u5~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");
References
- https://github.com/johnsonwangqize/cve-linux/blob/master/CVE-2018-5995.md
- http://www.securityfocus.com/bid/105049
- https://lists.debian.org/debian-lts-announce/2019/05/msg00041.html
- https://lists.debian.org/debian-lts-announce/2019/05/msg00042.html
- https://www.debian.org/security/2019/dsa-4497
- https://seclists.org/bugtraq/2019/Aug/18
- https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html