CVE-2023-53648

ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer

Published: 10/7/2025 Last updated: 10/7/2025 Reserved: 10/7/2025

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.

CNA assigner: Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67) Requested by: n/a

Opam packages affected (28)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes orun rawlink rawlink-eio rawlink-lwt restricted shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (2)

Product	Vendor	Version
Linux	Linux	n/a
Linux	Linux	earlier than 8.0.0.173(C636)

CVE-2023-53648

ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer

Opam packages affected (28)

Products affected (2)

References (9)