CVE-2022-49545

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

State: Published
Severity: 7.8 High
Published: Feb 26, 2025
Updated: Aug 5, 2026
Reserved: Feb 26, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 40bdb5ec957aca5c5c1924602bef6b0ab18e22d3Affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 11868ca21585561659c2575b0d6508ef8e9c4291Affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 5e5fe2b6065541c6216a7a003b0cddf386be0d2dAffected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 517dcef4d2dda0132648f1e4c079ed17bba4d1a4Affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 0125de38122f0f66bf61336158d12a1aabfe6425Affected
LinuxLinux	2.6.12Affected before 2.6.12Not affected 5.10.121 through 5.10.Not affected 5.15.46 through 5.15.Not affected 5.17.14 through 5.17.Not affected 5.18.3 through 5.18.Not affected 5.19 and laterNot affected

Product

Versions

LinuxLinux

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 40bdb5ec957aca5c5c1924602bef6b0ab18e22d3Affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 11868ca21585561659c2575b0d6508ef8e9c4291Affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 5e5fe2b6065541c6216a7a003b0cddf386be0d2dAffected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 517dcef4d2dda0132648f1e4c079ed17bba4d1a4Affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 0125de38122f0f66bf61336158d12a1aabfe6425Affected

LinuxLinux

2.6.12Affected
before 2.6.12Not affected
5.10.121 through 5.10.*Not affected
5.15.46 through 5.15.*Not affected
5.17.14 through 5.17.*Not affected
5.18.3 through 5.18.*Not affected
5.19 and laterNot affected

References

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