What is the severity of RHSA-2022:7137?

RHSA-2022:7137 is rated as important due to a use-after-free vulnerability in the cls_route filter implementation that may lead to privilege escalation.

How do I fix RHSA-2022:7137?

To fix RHSA-2022:7137, update to the latest version of the kpatch-patch package as specified in the advisory.

What systems are affected by RHSA-2022:7137?

RHSA-2022:7137 affects certain versions of the kpatch-patch package on systems running Red Hat Enterprise Linux.

Is there a risk associated with the vulnerability in RHSA-2022:7137?

Yes, the vulnerability in RHSA-2022:7137 poses a risk of privilege escalation, allowing attackers to potentially gain elevated permissions.

What is the CVE associated with RHSA-2022:7137?

The CVE associated with RHSA-2022:7137 is CVE-2022-2588, which describes the use-after-free vulnerability.

Vulnerability/
RHSA-2022:7137

CWE

416

25/10/2022

RHSA-2022:7137: Important: kpatch-patch security update

First published: Tue Oct 25 2022(Updated: )

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.<br>Security Fix(es):<br><li> a use-after-free in cls_route filter implementation may lead to privilege escalation (CVE-2022-2588)</li> 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.

Affected Software	Affected Version	How to fix
redhat/kpatch-patch	<4_18_0-372_13_1-1-2.el8_6	4_18_0-372_13_1-1-2.el8_6
redhat/kpatch-patch	<4_18_0-372_16_1-1-2.el8_6	4_18_0-372_16_1-1-2.el8_6
redhat/kpatch-patch	<4_18_0-372_19_1-1-1.el8_6	4_18_0-372_19_1-1-1.el8_6
redhat/kpatch-patch	<4_18_0-372_26_1-1-1.el8_6	4_18_0-372_26_1-1-1.el8_6
redhat/kpatch-patch	<4_18_0-372_9_1-1-3.el8	4_18_0-372_9_1-1-3.el8
redhat/kpatch-patch	<4_18_0-372_13_1-1-2.el8_6	4_18_0-372_13_1-1-2.el8_6
redhat/kpatch-patch	<4_18_0-372_13_1-debuginfo-1-2.el8_6	4_18_0-372_13_1-debuginfo-1-2.el8_6
redhat/kpatch-patch	<4_18_0-372_13_1-debugsource-1-2.el8_6	4_18_0-372_13_1-debugsource-1-2.el8_6
redhat/kpatch-patch	<4_18_0-372_16_1-1-2.el8_6	4_18_0-372_16_1-1-2.el8_6
redhat/kpatch-patch	<4_18_0-372_16_1-debuginfo-1-2.el8_6	4_18_0-372_16_1-debuginfo-1-2.el8_6
redhat/kpatch-patch	<4_18_0-372_16_1-debugsource-1-2.el8_6	4_18_0-372_16_1-debugsource-1-2.el8_6
redhat/kpatch-patch	<4_18_0-372_19_1-1-1.el8_6	4_18_0-372_19_1-1-1.el8_6
redhat/kpatch-patch	<4_18_0-372_19_1-debuginfo-1-1.el8_6	4_18_0-372_19_1-debuginfo-1-1.el8_6
redhat/kpatch-patch	<4_18_0-372_19_1-debugsource-1-1.el8_6	4_18_0-372_19_1-debugsource-1-1.el8_6
redhat/kpatch-patch	<4_18_0-372_26_1-1-1.el8_6	4_18_0-372_26_1-1-1.el8_6
redhat/kpatch-patch	<4_18_0-372_26_1-debuginfo-1-1.el8_6	4_18_0-372_26_1-debuginfo-1-1.el8_6
redhat/kpatch-patch	<4_18_0-372_26_1-debugsource-1-1.el8_6	4_18_0-372_26_1-debugsource-1-1.el8_6
redhat/kpatch-patch	<4_18_0-372_9_1-1-3.el8	4_18_0-372_9_1-1-3.el8
redhat/kpatch-patch	<4_18_0-372_9_1-debuginfo-1-3.el8	4_18_0-372_9_1-debuginfo-1-3.el8
redhat/kpatch-patch	<4_18_0-372_9_1-debugsource-1-3.el8	4_18_0-372_9_1-debugsource-1-3.el8
redhat/kpatch-patch	<4_18_0-372_13_1-1-2.el8_6	4_18_0-372_13_1-1-2.el8_6
redhat/kpatch-patch	<4_18_0-372_13_1-debuginfo-1-2.el8_6	4_18_0-372_13_1-debuginfo-1-2.el8_6
redhat/kpatch-patch	<4_18_0-372_13_1-debugsource-1-2.el8_6	4_18_0-372_13_1-debugsource-1-2.el8_6
redhat/kpatch-patch	<4_18_0-372_16_1-1-2.el8_6	4_18_0-372_16_1-1-2.el8_6
redhat/kpatch-patch	<4_18_0-372_16_1-debuginfo-1-2.el8_6	4_18_0-372_16_1-debuginfo-1-2.el8_6
redhat/kpatch-patch	<4_18_0-372_16_1-debugsource-1-2.el8_6	4_18_0-372_16_1-debugsource-1-2.el8_6
redhat/kpatch-patch	<4_18_0-372_19_1-1-1.el8_6	4_18_0-372_19_1-1-1.el8_6
redhat/kpatch-patch	<4_18_0-372_19_1-debuginfo-1-1.el8_6	4_18_0-372_19_1-debuginfo-1-1.el8_6
redhat/kpatch-patch	<4_18_0-372_19_1-debugsource-1-1.el8_6	4_18_0-372_19_1-debugsource-1-1.el8_6
redhat/kpatch-patch	<4_18_0-372_26_1-1-1.el8_6	4_18_0-372_26_1-1-1.el8_6
redhat/kpatch-patch	<4_18_0-372_26_1-debuginfo-1-1.el8_6	4_18_0-372_26_1-debuginfo-1-1.el8_6
redhat/kpatch-patch	<4_18_0-372_26_1-debugsource-1-1.el8_6	4_18_0-372_26_1-debugsource-1-1.el8_6
redhat/kpatch-patch	<4_18_0-372_9_1-1-3.el8	4_18_0-372_9_1-1-3.el8
redhat/kpatch-patch	<4_18_0-372_9_1-debuginfo-1-3.el8	4_18_0-372_9_1-debuginfo-1-3.el8
redhat/kpatch-patch	<4_18_0-372_9_1-debugsource-1-3.el8	4_18_0-372_9_1-debugsource-1-3.el8

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Reference Links

Frequently Asked Questions

What is the severity of RHSA-2022:7137?
RHSA-2022:7137 is rated as important due to a use-after-free vulnerability in the cls_route filter implementation that may lead to privilege escalation.
How do I fix RHSA-2022:7137?
To fix RHSA-2022:7137, update to the latest version of the kpatch-patch package as specified in the advisory.
What systems are affected by RHSA-2022:7137?
RHSA-2022:7137 affects certain versions of the kpatch-patch package on systems running Red Hat Enterprise Linux.
Is there a risk associated with the vulnerability in RHSA-2022:7137?
Yes, the vulnerability in RHSA-2022:7137 poses a risk of privilege escalation, allowing attackers to potentially gain elevated permissions.
What is the CVE associated with RHSA-2022:7137?
The CVE associated with RHSA-2022:7137 is CVE-2022-2588, which describes the use-after-free vulnerability.

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