NULL Pointer Dereference Affecting kernel-tools package, versions <0:4.18.0-553.el8_10


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.19% (10th percentile)

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  • Snyk IDSNYK-CENTOS8-KERNELTOOLS-13491913
  • published8 Oct 2025
  • disclosed7 Oct 2025

Introduced: 7 Oct 2025

CVE-2023-53648  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Centos:8 kernel-tools to version 0:4.18.0-553.el8_10 or higher.

NVD Description

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

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

ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer

smatch error: sound/pci/ac97/ac97_codec.c:2354 snd_ac97_mixer() error: we previously assumed 'rac97' could be null (see line 2072)

remove redundant assignment, return error if rac97 is NULL.

CVSS Base Scores

version 3.1