Memory Leak Affecting kernel-uek-doc package, versions <0:6.12.0-200.74.27.el9uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.07% (23rd percentile)

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  • Snyk IDSNYK-ORACLE9-KERNELUEKDOC-15865149
  • published1 Apr 2026
  • disclosed27 Mar 2025

Introduced: 27 Mar 2025

CVE-2025-21882  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade Oracle:9 kernel-uek-doc to version 0:6.12.0-200.74.27.el9uek or higher.
This issue was patched in ELSA-2026-50160.

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:9 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

net/mlx5: Fix vport QoS cleanup on error

When enabling vport QoS fails, the scheduling node was never freed, causing a leak.

Add the missing free and reset the vport scheduling node pointer to NULL.

CVSS Base Scores

version 3.1