CVEvulnerability
CVE-2023-53648
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2025-10-07
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
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 configurations
• linux linux kernel (>= 2.6.28 < 4.14.322)
• linux linux kernel (>= 4.15 < 4.19.291)
• linux linux kernel (>= 4.20 < 5.4.251)
• linux linux kernel (>= 5.5 < 5.10.188)
• linux linux kernel (>= 5.11 < 5.15.121)
• linux linux kernel (>= 5.16 < 6.1.39)
• linux linux kernel (>= 6.2 < 6.3.13)
• linux linux kernel (>= 6.4 < 6.4.4)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://git.kernel.org/stable/c/09baf460dfba79ee6a0c72e68ccdbbba84d894df Patch
- https://git.kernel.org/stable/c/228da1fa124470606ac19783e551f9d51a1e01b0 Patch
- https://git.kernel.org/stable/c/300e26e3e64880de5013eac8831cf44387ef752c Patch
- https://git.kernel.org/stable/c/5f13d67027fa782096e6aee0db5dce61c4aeb613 Patch
- https://git.kernel.org/stable/c/79597c8bf64ca99eab385115743131d260339da5 Patch
- https://git.kernel.org/stable/c/809af7bb4219bdeef0dbb8b2ed700d6516d13fe9 Patch
- https://git.kernel.org/stable/c/d28b83252e150155b8b8c65b612c555e93c8b45f Patch
- https://git.kernel.org/stable/c/e4cccff1e7ab6ea30995b6fbbb007d02647e025c Patch
- https://git.kernel.org/stable/c/f923a582217b198b557756809ffe42ac0fad6adb Patch