media: usbtv: Remove useless locks in usbtv_video_free()

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Summary

CVECVE-2024-27072
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-05-01 13:15:51 UTC
Updated2026-05-12 12:16:31 UTC
DescriptionIn 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]

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from ADP

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-667 | CWE-noinfo Not enough information

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected f3d27f34fdd7701e499617d2c1d94480a98f6d07 4ec4641df57cbdfdc51bb4959afcdbcf5003ddb9 git Not specified
CNA Linux Linux affected f3d27f34fdd7701e499617d2c1d94480a98f6d07 d5ed208d04acf06781d63d30f9fa991e8d609ebd git Not specified
CNA Linux Linux affected f3d27f34fdd7701e499617d2c1d94480a98f6d07 bdd82c47b22a8befd617b723098b2a41b77373c7 git Not specified
CNA Linux Linux affected f3d27f34fdd7701e499617d2c1d94480a98f6d07 dea46e246ef0f98d89d59a4229157cd9ffb636bf git Not specified
CNA Linux Linux affected f3d27f34fdd7701e499617d2c1d94480a98f6d07 3e7d82ebb86e94643bdb30b0b5b077ed27dce1c2 git Not specified
CNA Linux Linux affected f3d27f34fdd7701e499617d2c1d94480a98f6d07 65e6a2773d655172143cc0b927cdc89549842895 git Not specified
CNA Linux Linux affected 3.11 Not specified
CNA Linux Linux unaffected 3.11 semver Not specified
CNA Linux Linux unaffected 5.10.227 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.168 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.113 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.55 6.6.* semver Not specified
CNA Linux Linux unaffected 6.8.2 6.8.* semver Not specified
CNA Linux Linux unaffected 6.9 * original_commit_for_fix Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected * custom Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/bdd82c47b22a8befd617b723098b2a41b77373c7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/03/msg00002.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
cert-portal.siemens.com/productcert/html/ssa-265688.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/3e7d82ebb86e94643bdb30b0b5b077ed27dce1c2 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/4ec4641df57cbdfdc51bb4959afcdbcf5003ddb9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/65e6a2773d655172143cc0b927cdc89549842895 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/01/msg00001.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
git.kernel.org/stable/c/dea46e246ef0f98d89d59a4229157cd9ffb636bf 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/d5ed208d04acf06781d63d30f9fa991e8d609ebd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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