drm/msm: Fix task_struct reference leak in recover_worker

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-93059
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-17 17:17:59 UTC
Updated2026-09-17 17:17:59 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix task_struct reference leak in recover_worker get_pid_task() increments the task reference count, but the corresponding put_task_struct() was missing in the else branch, leaking a reference on every GPU hang recovery. Patchwork: https://patchwork.freedesktop.org/patch/730662/

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 25654a1756a4ace072404e89882d7ba8391900bd 6c472fde2c8096e16bb46b0605adda2488f300c0 git Not specified
CNA Linux Linux affected 25654a1756a4ace072404e89882d7ba8391900bd d684f756d029d81db1cd64cd9645556e53fcc784 git Not specified
CNA Linux Linux affected 25654a1756a4ace072404e89882d7ba8391900bd 40b793714ad8f393ab3d469f9d00b20ebda46257 git Not specified
CNA Linux Linux affected 6.17 Not specified
CNA Linux Linux unaffected 6.17 semver Not specified
CNA Linux Linux unaffected 6.18.52 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.6 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/d684f756d029d81db1cd64cd9645556e53fcc784 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/40b793714ad8f393ab3d469f9d00b20ebda46257 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/6c472fde2c8096e16bb46b0605adda2488f300c0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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