CVE-2023-53648
published 2025-10-07CVE-2023-53648: In the Linux kernel, the following vulnerability has been resolved: ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer smatch error…
PriorityP417medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.19%
9.4th percentile
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
23 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.1.52-1 (bookworm) | linux 6.1.52-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= da3cec35dd3c31d8706db4bf379372ce70d92118 < 809af7bb4219bdeef0dbb8b2ed700d6516d13fe9 | 809af7bb4219bdeef0dbb8b2ed700d6516d13fe9 |
| linux | linux | >= da3cec35dd3c31d8706db4bf379372ce70d92118 < e4cccff1e7ab6ea30995b6fbbb007d02647e025c | e4cccff1e7ab6ea30995b6fbbb007d02647e025c |
| linux | linux | >= da3cec35dd3c31d8706db4bf379372ce70d92118 < 5f13d67027fa782096e6aee0db5dce61c4aeb613 | 5f13d67027fa782096e6aee0db5dce61c4aeb613 |
| linux | linux | >= da3cec35dd3c31d8706db4bf379372ce70d92118 < f923a582217b198b557756809ffe42ac0fad6adb | f923a582217b198b557756809ffe42ac0fad6adb |
| linux | linux | >= da3cec35dd3c31d8706db4bf379372ce70d92118 < 300e26e3e64880de5013eac8831cf44387ef752c | 300e26e3e64880de5013eac8831cf44387ef752c |
| linux | linux | >= da3cec35dd3c31d8706db4bf379372ce70d92118 < d28b83252e150155b8b8c65b612c555e93c8b45f | d28b83252e150155b8b8c65b612c555e93c8b45f |
| linux | linux | >= da3cec35dd3c31d8706db4bf379372ce70d92118 < 09baf460dfba79ee6a0c72e68ccdbbba84d894df | 09baf460dfba79ee6a0c72e68ccdbbba84d894df |
| linux | linux | >= da3cec35dd3c31d8706db4bf379372ce70d92118 < 228da1fa124470606ac19783e551f9d51a1e01b0 | 228da1fa124470606ac19783e551f9d51a1e01b0 |
| linux | linux | >= da3cec35dd3c31d8706db4bf379372ce70d92118 < 79597c8bf64ca99eab385115743131d260339da5 | 79597c8bf64ca99eab385115743131d260339da5 |
| linux | linux_kernel | >= 0 < 5.10.191-1 | 5.10.191-1 |
| linux | linux_kernel | >= 0 < 6.1.52-1 | 6.1.52-1 |
| linux | linux_kernel | >= 0 < 6.4.4-1 | 6.4.4-1 |
| linux | linux_kernel | >= 0 < 6.4.4-1 | 6.4.4-1 |
| linux | linux_kernel | >= 2.6.28 < 4.14.322 | 4.14.322 |
| linux | linux_kernel | >= 4.15 < 4.19.291 | 4.19.291 |
| linux | linux_kernel | >= 4.20 < 5.4.251 | 5.4.251 |
| linux | linux_kernel | >= 5.11 < 5.15.121 | 5.15.121 |
| linux | linux_kernel | >= 5.16 < 6.1.39 | 6.1.39 |
| linux | linux_kernel | >= 5.5 < 5.10.188 | 5.10.188 |
| linux | linux_kernel | >= 6.2 < 6.3.13 | 6.3.13 |
| linux | linux_kernel | >= 6.4 < 6.4.4 | 6.4.4 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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Red Hat
kernel: ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer
vendor_redhat·2025-10-07·CVSS 5.5
CVE-2023-53648 [MEDIUM] CWE-476 kernel: ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer
kernel: 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.
Package: kernel (Red Hat Enterprise Linux 10) - Not affected
Package: kernel (Red Hat Enterprise Linux 6) - Not affected
Package: kernel (Red Hat Enterprise Linux 7) - Fix deferred
Package: kernel-rt (Red Hat Enterprise Linux 7) - Fix deferred
Package: kernel-rt (Red Hat Enterprise Linux 8) - Fix deferred
Package: kernel (Red Hat Enterprise Linux 9) - Fix deferred
Package: kernel-rt (Red Hat Enterprise
Debian
CVE-2023-53648: linux - In the Linux kernel, the following vulnerability has been resolved: ALSA: ac97:...
vendor_debian·2023·CVSS 5.5
CVE-2023-53648 [MEDIUM] CVE-2023-53648: linux - In the Linux kernel, the following vulnerability has been resolved: ALSA: ac97:...
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.
Scope: local
bookworm: resolved (fixed in 6.1.52-1)
bullseye: resolved (fixed in 5.10.191-1)
forky: resolved (fixed in 6.4.4-1)
sid: resolved (fixed in 6.4.4-1)
trixie: resolved (fixed in 6.4.4-1)
GHSA
GHSA-523c-3cg7-7hhv: In the Linux kernel, the following vulnerability has been resolved:
ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer
smatch error:
sound/
ghsa_unreviewed·2025-10-07
CVE-2023-53648 [MEDIUM] CWE-476 GHSA-523c-3cg7-7hhv: In the Linux kernel, the following vulnerability has been resolved:
ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer
smatch error:
sound/
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.
OSV
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/pc
osv·2025-10-07·CVSS 5.5
CVE-2023-53648 [MEDIUM] 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/pc
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.
No detection rules found.
No public exploits indexed.
https://git.kernel.org/stable/c/09baf460dfba79ee6a0c72e68ccdbbba84d894dfhttps://git.kernel.org/stable/c/228da1fa124470606ac19783e551f9d51a1e01b0https://git.kernel.org/stable/c/300e26e3e64880de5013eac8831cf44387ef752chttps://git.kernel.org/stable/c/5f13d67027fa782096e6aee0db5dce61c4aeb613https://git.kernel.org/stable/c/79597c8bf64ca99eab385115743131d260339da5https://git.kernel.org/stable/c/809af7bb4219bdeef0dbb8b2ed700d6516d13fe9https://git.kernel.org/stable/c/d28b83252e150155b8b8c65b612c555e93c8b45fhttps://git.kernel.org/stable/c/e4cccff1e7ab6ea30995b6fbbb007d02647e025chttps://git.kernel.org/stable/c/f923a582217b198b557756809ffe42ac0fad6adb
2025-10-07
Published