Memory Leak Affecting kernel-doc package, versions <0:4.18.0-553.22.1.el8_10


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-ROCKY8-KERNELDOC-10069228
  • published8 May 2025
  • disclosed22 May 2024

Introduced: 22 May 2024

CVE-2021-47466  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 kernel-doc to version 0:4.18.0-553.22.1.el8_10 or higher.
This issue was patched in RLSA-2024:7000.

NVD Description

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

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

mm, slub: fix potential memoryleak in kmem_cache_open()

In error path, the random_seq of slub cache might be leaked. Fix this by using __kmem_cache_release() to release all the relevant resources.

CVSS Base Scores

version 3.1