CVE-2023-53648

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

No history.

Information

Published : 2025-10-07 16:15

Updated : 2026-06-17 06:45

NVD link : CVE-2023-53648

Mitre link : CVE-2023-53648

CVE.ORG link : CVE-2023-53648

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

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