Improper Locking Affecting kernel-uek-doc package, versions <0:5.4.17-2136.318.7.1.el7uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKDOC-5425759
  • published18 Mar 2023
  • disclosed28 Nov 2022

Introduced: 28 Nov 2022

CVE-2022-4129  (opens in a new tab)
CWE-667  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek-doc to version 0:5.4.17-2136.318.7.1.el7uek or higher.
This issue was patched in ELSA-2023-12255.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-doc package and not the kernel-uek-doc package as distributed by Oracle. See How to fix? for Oracle:7 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.

CVSS Scores

version 3.1