CVE-2022-49545

ALSA: usb-audio: Cancel pending work at closing a MIDI substream

Published: 2/26/2025 Last updated: 5/11/2026 Reserved: 2/26/2025

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Cancel pending work at closing a MIDI substream At closing a USB MIDI output substream, there might be still a pending work, which would eventually access the rawmidi runtime object that is being released. For fixing the race, make sure to cancel the pending work at closing.

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

Opam packages affected (29)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes ortools_solvers 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 (4)

Product	Vendor	Version
Linux	Linux	Android-5.0.2
Linux	Linux	15.2(4)M4
Linux	Linux	< 52.2
Linux	Linux	12.4.0

CVE-2022-49545

ALSA: usb-audio: Cancel pending work at closing a MIDI substream

Opam packages affected (29)

Products affected (4)

References (10)