RHEL 7 : kernel (RHSA-2019:3967)

high Nessus Plugin ID 131375

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Synopsis

The remote Red Hat host is missing one or more security updates for kernel.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:3967 advisory.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: Memory corruption due to incorrect socket cloning (CVE-2018-9568)

* kernel: MIDI driver race condition leads to a double-free (CVE-2018-10902)

* kernel: Use-after-free due to race condition in AF_PACKET implementation (CVE-2018-18559)

* Kernel: vhost_net: infinite loop while receiving packets leads to DoS (CVE-2019-3900)

* Kernel: page cache side channel attacks (CVE-2019-5489)

* Kernel: KVM: potential use-after-free via kvm_ioctl_create_device() (CVE-2019-6974)

* Kernel: KVM: nVMX: use-after-free of the hrtimer for emulation of the preemption timer (CVE-2019-7221)

* kernel: Inifinite loop vulnerability in mm/madvise.c:madvise_willneed() function allows local denial of service (CVE-2017-18208)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

* A cluster node has multiple hung mv processes that are accessing a gfs2 filesystem. (BZ#1716321)

* Growing unreclaimable slab memory (BZ#1741918)

* [LLNL 7.5 Bug] slab leak causing a crash when using kmem control group (BZ#1748236)

* kernel build: parallelize redhat/mod-sign.sh (BZ#1755328)

* kernel build: speed up module compression step (BZ#1755337)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL kernel package based on the guidance in RHSA-2019:3967.

Plugin Details

Severity: High

ID: 131375

File Name: redhat-RHSA-2019-3967.nasl

Version: 1.7

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 11/27/2019

Updated: 11/7/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2018-9568

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS Score Source: CVE-2019-6974

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-kdump, p-cpe:/a:redhat:enterprise_linux:kernel-bootwrapper, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, cpe:/o:redhat:rhel_eus:7.5, p-cpe:/a:redhat:enterprise_linux:python-perf, p-cpe:/a:redhat:enterprise_linux:kernel-kdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:perf

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/26/2019

Vulnerability Publication Date: 3/1/2018

Reference Information

CVE: CVE-2017-18208, CVE-2018-10902, CVE-2018-18559, CVE-2018-9568, CVE-2019-3900, CVE-2019-5489, CVE-2019-6974, CVE-2019-7221

CWE: 122, 200, 416, 835

RHSA: 2019:3967

Detections

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