drm/xe/sync: Cleanup partially initialized sync on parse failure

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Summary

CVECVE-2026-43395
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-08 15:16:50 UTC
Updated2026-05-08 15:16:50 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/xe/sync: Cleanup partially initialized sync on parse failure xe_sync_entry_parse() can allocate references (syncobj, fence, chain fence, or user fence) before hitting a later failure path. Several of those paths returned directly, leaving partially initialized state and leaking refs. Route these error paths through a common free_sync label and call xe_sync_entry_cleanup(sync) before returning the error. (cherry picked from commit f939bdd9207a5d1fc55cced5459858480686ce22)

Risk And Classification

EPSS: 0.000180000 probability, percentile 0.047280000 (date 2026-05-11)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected dd08ebf6c3525a7ea2186e636df064ea47281987 91c228f96fcfacc2341a58815b1da8c69da94ebb git Not specified
CNA Linux Linux affected dd08ebf6c3525a7ea2186e636df064ea47281987 af65cd1853599394b94201c08bed7a46717db478 git Not specified
CNA Linux Linux affected dd08ebf6c3525a7ea2186e636df064ea47281987 f0af63ffa06306f12592cd3919fad6957b425e1b git Not specified
CNA Linux Linux affected dd08ebf6c3525a7ea2186e636df064ea47281987 1bfd7575092420ba5a0b944953c95b74a5646ff8 git Not specified
CNA Linux Linux affected 6.8 Not specified
CNA Linux Linux unaffected 6.8 semver Not specified
CNA Linux Linux unaffected 6.12.78 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.19 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.9 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/f0af63ffa06306f12592cd3919fad6957b425e1b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/91c228f96fcfacc2341a58815b1da8c69da94ebb 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/1bfd7575092420ba5a0b944953c95b74a5646ff8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/af65cd1853599394b94201c08bed7a46717db478 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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