RHEL 7 : kernel (RHSA-2022:4642)

high Nessus Plugin ID 161354

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Synopsis

The remote Red Hat host is missing a security update for kernel.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2022:4642 advisory.

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

Security Fix(es):

* kernel: cgroups v1 release_agent feature may allow privilege escalation (CVE-2022-0492)

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):

* kernel panic in mlx5_ib driver RHEL/CentOS 7.9 VM (BZ#2046571)

* [RHEL-7.9] Get Call Trace about kernel/timer.c:1270 requeue_timers+0x15e/0x170 on specified AMD x86_64 system (BZ#2048502)

* kernel NULL pointer dereference while calling dma_pool_alloc from the mlx5_core module (BZ#2055457)

* Rhel 7.9 NFS Clients takes very long time to resume operations in an NFS Server failover scenario (BZ#2066699)

* perf stat shows unsupported counters for Intel IceLake cpu (BZ#2072317)

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

Note that Nessus has not tested for this issue 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-2022:4642.

Plugin Details

Severity: High

ID: 161354

File Name: redhat-RHSA-2022-4642.nasl

Version: 1.12

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 5/19/2022

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: High

Score: 8.4

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.7

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

CVSS Score Source: CVE-2022-0492

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.2

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:bpftool, p-cpe:/a:redhat:enterprise_linux:kernel-tools, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:kernel-devel, 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, p-cpe:/a:redhat:enterprise_linux:python-perf, p-cpe:/a:redhat:enterprise_linux:kernel-kdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel, 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: 5/18/2022

Vulnerability Publication Date: 2/4/2022

Exploitable With

Metasploit (Docker cgroups Container Escape)

Reference Information

CVE: CVE-2022-0492

CWE: 862

RHSA: 2022:4642

Detections

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