drm/amdgpu/userq: Fix reference leak in amdgpu_userq_wait_ioctl

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Summary

CVECVE-2026-43399
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-08 15:16:51 UTC
Updated2026-05-21 19:28:12 UTC
DescriptionIn 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)

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.000170000 probability, percentile 0.041320000 (date 2026-05-12)

Problem Types: NVD-CWE-Other

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected a292fdecd72834b3bec380baa5db1e69e7f70679 762f47e2b824383d5be65eee2c40a1269b7d50c8 git Not specified
CNA Linux Linux affected a292fdecd72834b3bec380baa5db1e69e7f70679 5409247d41f372bec5b141ef599f2d9f5e81b746 git Not specified
CNA Linux Linux affected a292fdecd72834b3bec380baa5db1e69e7f70679 49abfa812617a7f2d0132c70d23ac98b389c6ec1 git Not specified
CNA Linux Linux affected 6.16 Not specified
CNA Linux Linux unaffected 6.16 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/5409247d41f372bec5b141ef599f2d9f5e81b746 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/762f47e2b824383d5be65eee2c40a1269b7d50c8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/49abfa812617a7f2d0132c70d23ac98b389c6ec1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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