RHEL 8 : kpatch-patch (RHSA-2024:0937)

high Nessus Plugin ID 190928

Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:0937 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: GSM multiplexing race condition leads to privilege escalation (CVE-2023-6546)

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-2024:0937.

See Also

http://www.nessus.org/u?3fc10cef

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

https://bugzilla.redhat.com/show_bug.cgi?id=2255498

https://access.redhat.com/errata/RHSA-2024:0937

Plugin Details

Severity: High

ID: 190928

File Name: redhat-RHSA-2024-0937.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2/23/2024

Updated: 6/17/2024

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.0

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 5.2

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

CVSS Score Source: CVE-2023-6546

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-372_80_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-372_64_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-372_91_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-372_87_1, cpe:/o:redhat:rhel_eus:8.6, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-372_75_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-372_70_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: 2/22/2024

Vulnerability Publication Date: 12/21/2023

Exploitable With

Core Impact

Reference Information

CVE: CVE-2023-6546

CWE: 416

RHSA: 2024:0937