Bug 2468170 (CVE-2026-43399) - CVE-2026-43399 kernel: drm/amdgpu/userq: Fix reference leak in amdgpu_userq_wait_ioctl
Summary: CVE-2026-43399 kernel: drm/amdgpu/userq: Fix reference leak in amdgpu_userq_w...
Keywords:
Status: NEW
Alias: CVE-2026-43399
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Product Security DevOps Team
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-08 15:02 UTC by OSIDB Bzimport
Modified: 2026-05-08 22:04 UTC (History)
2 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-05-08 15:02:50 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu/userq: Fix reference leak in amdgpu_userq_wait_ioctl

Drop reference to syncobj and timeline fence when aborting the ioctl due
output array being too small.

(cherry picked from commit 68951e9c3e6bb22396bc42ef2359751c8315dd27)
Comment 1 Keith Grant 2026-05-08 22:02:20 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026050839-CVE-2026-43399-6521@gregkh/T
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