rust: pwm: Fix potential memory leak on init error

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Summary

CVECVE-2026-45926
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-27 14:17:08 UTC
Updated2026-05-27 14:48:03 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: rust: pwm: Fix potential memory leak on init error When initializing a PWM chip using pwmchip_alloc(), the allocated device owns an initial reference that must be released on all error paths. If __pinned_init() were to fail, the allocated pwm_chip would currently leak because the error path returns without calling pwmchip_put().

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 7b3dce814a15bc5d9fb6124cd945291012c4ebb9 baa8b7097d9cc68ff85819cf683972a58c2ce32b git Not specified
CNA Linux Linux affected 7b3dce814a15bc5d9fb6124cd945291012c4ebb9 a2633dc243c35754a0c2270131d8a199c987c9bf git Not specified
CNA Linux Linux affected 6.19 Not specified
CNA Linux Linux unaffected 6.19 semver Not specified
CNA Linux Linux unaffected 6.19.4 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/a2633dc243c35754a0c2270131d8a199c987c9bf 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/baa8b7097d9cc68ff85819cf683972a58c2ce32b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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