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 products
linux: linux kernel
References9
- git.kernel.org/stable/c/09baf460dfba79ee6a0c72e68ccdbbba84d894df Patch
- git.kernel.org/stable/c/228da1fa124470606ac19783e551f9d51a1e01b0 Patch
- git.kernel.org/stable/c/300e26e3e64880de5013eac8831cf44387ef752c Patch
- git.kernel.org/stable/c/5f13d67027fa782096e6aee0db5dce61c4aeb613 Patch
- git.kernel.org/stable/c/79597c8bf64ca99eab385115743131d260339da5 Patch
- git.kernel.org/stable/c/809af7bb4219bdeef0dbb8b2ed700d6516d13fe9 Patch
- git.kernel.org/stable/c/d28b83252e150155b8b8c65b612c555e93c8b45f Patch
- git.kernel.org/stable/c/e4cccff1e7ab6ea30995b6fbbb007d02647e025c Patch
- git.kernel.org/stable/c/f923a582217b198b557756809ffe42ac0fad6adb Patch
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 12 · as of 9 November 2026
- CWE
- CWE-476
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.