CVE-2023-53648
MEDIUM severity · CVSS 5.5 · CWE-476
5.5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/09baf460dfba79ee6a0c72e68ccdbbba84d894df ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/09baf460dfba79ee6a0c72e68ccdbbba84d894dfPatch
- https://git.kernel.org/stable/c/228da1fa124470606ac19783e551f9d51a1e01b0Patch
- https://git.kernel.org/stable/c/300e26e3e64880de5013eac8831cf44387ef752cPatch
- https://git.kernel.org/stable/c/5f13d67027fa782096e6aee0db5dce61c4aeb613Patch
- https://git.kernel.org/stable/c/79597c8bf64ca99eab385115743131d260339da5Patch
- https://git.kernel.org/stable/c/809af7bb4219bdeef0dbb8b2ed700d6516d13fe9Patch
- https://git.kernel.org/stable/c/d28b83252e150155b8b8c65b612c555e93c8b45fPatch
- https://git.kernel.org/stable/c/e4cccff1e7ab6ea30995b6fbbb007d02647e025cPatch