5.5

CVE-2023-53648

ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 2.6.28 < 4.14.322
Linux ≫ Linux Kernel Version >= 4.15 < 4.19.291
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.251
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.188
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.121
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.39
Linux ≫ Linux Kernel Version >= 6.2 < 6.3.13
Linux ≫ Linux Kernel Version >= 6.4 < 6.4.4
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.19% 0.093
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://git.kernel.org/stable/c/809af7bb4219bdeef0dbb8b2ed700d6516d13fe9
Patch
https://git.kernel.org/stable/c/e4cccff1e7ab6ea30995b6fbbb007d02647e025c
Patch
https://git.kernel.org/stable/c/5f13d67027fa782096e6aee0db5dce61c4aeb613
Patch
https://git.kernel.org/stable/c/f923a582217b198b557756809ffe42ac0fad6adb
Patch
https://git.kernel.org/stable/c/300e26e3e64880de5013eac8831cf44387ef752c
Patch
https://git.kernel.org/stable/c/d28b83252e150155b8b8c65b612c555e93c8b45f
Patch
https://git.kernel.org/stable/c/09baf460dfba79ee6a0c72e68ccdbbba84d894df
Patch
https://git.kernel.org/stable/c/228da1fa124470606ac19783e551f9d51a1e01b0
Patch
https://git.kernel.org/stable/c/79597c8bf64ca99eab385115743131d260339da5
Patch