RHEL 7 : kpatch-patch (RHSA-2022:4721)

high Nessus Plugin ID 161471

Synopsis

The remote Red Hat host is missing a security update for kpatch-patch.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2022:4721 advisory.

This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.

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.

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 kpatch-patch package based on the guidance in RHSA-2022:4721.

See Also

http://www.nessus.org/u?cf0c560b

https://access.redhat.com/security/updates/classification/#important

https://access.redhat.com/errata/RHSA-2022:4721

https://bugzilla.redhat.com/show_bug.cgi?id=2051505

Plugin Details

Severity: High

ID: 161471

File Name: redhat-RHSA-2022-4721.nasl

Version: 1.11

Type: local

Agent: unix

Published: 5/24/2022

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: 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:kpatch-patch-3_10_0-1062_51_1, cpe:/o:redhat:rhel_e4s:7.7, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1062_60_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1062_63_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1062_59_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1062_52_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1062_66_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1062_56_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1062_61_1

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: 5/24/2022

Vulnerability Publication Date: 2/4/2022

Exploitable With

Metasploit (Docker cgroups Container Escape)

Reference Information

CVE: CVE-2022-0492

CWE: 862

RHSA: 2022:4721