<p>Upgrade <code>RHEL:8</code> <code>perf</code> to version 0:4.18.0-477.10.1.el8_8 or higher.<br>This issue was patched in <code>RHSA-2023:2951</code>.</p>

Improper Locking Affecting perf package, versions <0:4.18.0-477.10.1.el8_8

Threat Intelligence

0.04% (6^th percentile)

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Snyk ID SNYK-RHEL8-PERF-5546226
published 23 Nov 2022
disclosed 10 Aug 2022

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Introduced: 10 Aug 2022

CVE-2022-4129 Open this link in a new tab CWE-667 Open this link in a new tab CWE-362 Open this link in a new tab CWE-476 Open this link in a new tab

How to fix?

Upgrade RHEL:8 perf to version 0:4.18.0-477.10.1.el8_8 or higher.
This issue was patched in RHSA-2023:2951.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service.

References

CVSS Scores

version 3.1

Attack Vector (AV)

Local
Attack Complexity (AC)

Low
Privileges Required (PR)

Low
User Interaction (UI)

None

Scope (S)

Unchanged

Confidentiality (C)

None
Integrity (I)

None
Availability (A)

High

Improper Locking Affecting perf package, versions <0:4.18.0-477.10.1.el8_8

Severity

Based on Red Hat Enterprise Linux security rating