CVE-2023-53648

MEDIUM

Linux Kernel - NULL Pointer Dereference in ALSA AC97 Mixer

Title source: llm
STIX 2.1

Description

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.

References (9)

Core 9

Scores

CVSS v3 5.5
EPSS 0.0019
EPSS Percentile 8.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (29)
linux/Kernel 2.6.28 - 4.14.322linux
linux/Kernel 4.15.0 - 4.19.291linux
linux/Kernel 4.20.0 - 5.4.251linux
linux/Kernel 5.11.0 - 5.15.121linux
linux/Kernel 5.16.0 - 6.1.39linux
linux/Kernel 5.5.0 - 5.10.188linux
linux/Kernel 6.2.0 - 6.3.13linux
linux/Kernel 6.4.0 - 6.4.4linux
Linux/Linux < 2.6.28
Linux/Linux 2.6.28
... and 19 more
Published Oct 07, 2025
Tracked Since Feb 18, 2026