media: tegra-video: Fix memory leak in __tegra_channel_try_format()

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Summary

CVECVE-2026-43162
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-06 12:16:34 UTC
Updated2026-05-13 21:19:56 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: media: tegra-video: Fix memory leak in __tegra_channel_try_format() The state object allocated by __v4l2_subdev_state_alloc() must be freed with __v4l2_subdev_state_free() when it is no longer needed. In __tegra_channel_try_format(), two error paths return directly after v4l2_subdev_call() fails, without freeing the allocated 'sd_state' object. This violates the requirement and causes a memory leak. Fix this by introducing a cleanup label and using goto statements in the error paths to ensure that __v4l2_subdev_state_free() is always called before the function returns.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

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

Problem Types: CWE-401

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 1ebaeb09830f36c1111b72a95420814225bd761c 6c6f419fa9c44a4b7149b0292e01bff47308ba14 git Not specified
CNA Linux Linux affected 1ebaeb09830f36c1111b72a95420814225bd761c ca921be7a1174d5d58b28f84b683c2c0079f18c5 git Not specified
CNA Linux Linux affected 1ebaeb09830f36c1111b72a95420814225bd761c 3ca2f09061736e72ef25eec2597d00f7f44094d3 git Not specified
CNA Linux Linux affected 1ebaeb09830f36c1111b72a95420814225bd761c 2dff8966a3a889dd9d248a7e15d963b4097efcc5 git Not specified
CNA Linux Linux affected 1ebaeb09830f36c1111b72a95420814225bd761c d92e9a18f97a1d19d4c2ff81dcfbe43591f75b5a git Not specified
CNA Linux Linux affected 1ebaeb09830f36c1111b72a95420814225bd761c 43e5302d22334f1183dec3e0d5d8007eefe2817c git Not specified
CNA Linux Linux affected 5.10 Not specified
CNA Linux Linux unaffected 5.10 semver Not specified
CNA Linux Linux unaffected 6.1.167 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.130 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.77 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.17 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.6 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/ca921be7a1174d5d58b28f84b683c2c0079f18c5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/3ca2f09061736e72ef25eec2597d00f7f44094d3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/d92e9a18f97a1d19d4c2ff81dcfbe43591f75b5a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/2dff8966a3a889dd9d248a7e15d963b4097efcc5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/6c6f419fa9c44a4b7149b0292e01bff47308ba14 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/43e5302d22334f1183dec3e0d5d8007eefe2817c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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