CVE-2024-27072

media: usbtv: Remove useless locks in usbtv_video_free()

State: Published
Severity: 5.5 Medium
Published: May 1, 2024
Updated: Oct 15, 2026
Reserved: Feb 19, 2024

Description

In the Linux kernel, the following vulnerability has been resolved:

media: usbtv: Remove useless locks in usbtv_video_free()

Remove locks calls in usbtv_video_free() because are useless and may led to a deadlock as reported here: https://syzkaller.appspot.com/x/bisect.txt?x=166dc872180000 Also remove usbtv_stop() call since it will be called when unregistering the device.

Before 'c838530d230b' this issue would only be noticed if you disconnect while streaming and now it is noticeable even when disconnecting while not streaming.

[hverkuil: fix minor spelling mistake in log message]

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	f3d27f34fdd7701e499617d2c1d94480a98f6d07 to before 4ec4641df57cbdfdc51bb4959afcdbcf5003ddb9Affected f3d27f34fdd7701e499617d2c1d94480a98f6d07 to before d5ed208d04acf06781d63d30f9fa991e8d609ebdAffected f3d27f34fdd7701e499617d2c1d94480a98f6d07 to before bdd82c47b22a8befd617b723098b2a41b77373c7Affected f3d27f34fdd7701e499617d2c1d94480a98f6d07 to before dea46e246ef0f98d89d59a4229157cd9ffb636bfAffected f3d27f34fdd7701e499617d2c1d94480a98f6d07 to before 3e7d82ebb86e94643bdb30b0b5b077ed27dce1c2Affected f3d27f34fdd7701e499617d2c1d94480a98f6d07 to before 65e6a2773d655172143cc0b927cdc89549842895Affected
LinuxLinux	3.11Affected before 3.11Not affected 5.10.227 through 5.10.Not affected 5.15.168 through 5.15.Not affected 6.1.113 through 6.1.Not affected 6.6.55 through 6.6.Not affected 6.8.2 through 6.8.*Not affected 6.9 and laterNot affected

Product

Versions

LinuxLinux

f3d27f34fdd7701e499617d2c1d94480a98f6d07 to before 4ec4641df57cbdfdc51bb4959afcdbcf5003ddb9Affected
f3d27f34fdd7701e499617d2c1d94480a98f6d07 to before d5ed208d04acf06781d63d30f9fa991e8d609ebdAffected
f3d27f34fdd7701e499617d2c1d94480a98f6d07 to before bdd82c47b22a8befd617b723098b2a41b77373c7Affected
f3d27f34fdd7701e499617d2c1d94480a98f6d07 to before dea46e246ef0f98d89d59a4229157cd9ffb636bfAffected
f3d27f34fdd7701e499617d2c1d94480a98f6d07 to before 3e7d82ebb86e94643bdb30b0b5b077ed27dce1c2Affected
f3d27f34fdd7701e499617d2c1d94480a98f6d07 to before 65e6a2773d655172143cc0b927cdc89549842895Affected

LinuxLinux

3.11Affected
before 3.11Not affected
5.10.227 through 5.10.*Not affected
5.15.168 through 5.15.*Not affected
6.1.113 through 6.1.*Not affected
6.6.55 through 6.6.*Not affected
6.8.2 through 6.8.*Not affected
6.9 and laterNot affected

References

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