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CVE-2023-53648

nvd nist
Published: Oct 7, 2025Modified: Jun 17, 2026

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5.5
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 1.8 / Impact: 3.6
Source: NVD

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.

Affected (8)

Products: Linux: Linux Kernel
Linux
1 product
Linux Kernel
Configuration A
8 vulnerable
Vulnerable SoftwareAffected Versions
Linux
Linux Kernel
2.6.28 ≤ version < 4.14.322
Linux Kernel
4.15 ≤ version < 4.19.291
Linux Kernel
4.20 ≤ version < 5.4.251
Linux Kernel
5.11 ≤ version < 5.15.121
Linux Kernel
5.16 ≤ version < 6.1.39
Linux Kernel
5.5 ≤ version < 5.10.188
Linux Kernel
6.2 ≤ version < 6.3.13
Linux Kernel
6.4 ≤ version < 6.4.4

Related CWEs

CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.

References (9)

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch

Timeline

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