CVE-2023-53648

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

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

03 Feb 2026, 22:29

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
References () https://git.kernel.org/stable/c/09baf460dfba79ee6a0c72e68ccdbbba84d894df - () https://git.kernel.org/stable/c/09baf460dfba79ee6a0c72e68ccdbbba84d894df - Patch
References () https://git.kernel.org/stable/c/228da1fa124470606ac19783e551f9d51a1e01b0 - () https://git.kernel.org/stable/c/228da1fa124470606ac19783e551f9d51a1e01b0 - Patch
References () https://git.kernel.org/stable/c/300e26e3e64880de5013eac8831cf44387ef752c - () https://git.kernel.org/stable/c/300e26e3e64880de5013eac8831cf44387ef752c - Patch
References () https://git.kernel.org/stable/c/5f13d67027fa782096e6aee0db5dce61c4aeb613 - () https://git.kernel.org/stable/c/5f13d67027fa782096e6aee0db5dce61c4aeb613 - Patch
References () https://git.kernel.org/stable/c/79597c8bf64ca99eab385115743131d260339da5 - () https://git.kernel.org/stable/c/79597c8bf64ca99eab385115743131d260339da5 - Patch
References () https://git.kernel.org/stable/c/809af7bb4219bdeef0dbb8b2ed700d6516d13fe9 - () https://git.kernel.org/stable/c/809af7bb4219bdeef0dbb8b2ed700d6516d13fe9 - Patch
References () https://git.kernel.org/stable/c/d28b83252e150155b8b8c65b612c555e93c8b45f - () https://git.kernel.org/stable/c/d28b83252e150155b8b8c65b612c555e93c8b45f - Patch
References () https://git.kernel.org/stable/c/e4cccff1e7ab6ea30995b6fbbb007d02647e025c - () https://git.kernel.org/stable/c/e4cccff1e7ab6ea30995b6fbbb007d02647e025c - Patch
References () https://git.kernel.org/stable/c/f923a582217b198b557756809ffe42ac0fad6adb - () https://git.kernel.org/stable/c/f923a582217b198b557756809ffe42ac0fad6adb - Patch
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
First Time Linux linux Kernel
Linux
CWE CWE-476
Information

Published : 2025-10-07 16:15

Updated : 2026-02-03 22:29

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