Bug 2468219 (CVE-2026-43396) - CVE-2026-43396 kernel: drm/xe/sync: Fix user fence leak on alloc failure
Summary: CVE-2026-43396 kernel: drm/xe/sync: Fix user fence leak on alloc failure
Keywords:
Status: NEW
Alias: CVE-2026-43396
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-08 15:05 UTC by OSIDB Bzimport
Modified: 2026-05-08 21:56 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-05-08 15:05:25 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/xe/sync: Fix user fence leak on alloc failure

When dma_fence_chain_alloc() fails, properly release the user fence
reference to prevent a memory leak.

(cherry picked from commit a5d5634cde48a9fcd68c8504aa07f89f175074a0)
Comment 1 Keith Grant 2026-05-08 21:54:24 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026050838-CVE-2026-43396-a177@gregkh/T
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