drm/amdgpu: validate user queue size constraints

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Summary

CVECVE-2026-43195
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-06 12:16:38 UTC
Updated2026-05-11 20:21:56 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: validate user queue size constraints Add validation to ensure user queue sizes meet hardware requirements: - Size must be a power of two for efficient ring buffer wrapping - Size must be at least AMDGPU_GPU_PAGE_SIZE to prevent undersized allocations This prevents invalid configurations that could lead to GPU faults or unexpected behavior.

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

Problem Types: NVD-CWE-noinfo

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 fbf136b932358da1c65eb6fedd064a33a7a96aaa cf2a37be899dc1b01f53bf1d0157330eaf3e3f55 git Not specified
CNA Linux Linux affected fbf136b932358da1c65eb6fedd064a33a7a96aaa 9f6cc309cd15922fe58cab2dfa1b5993ad31dec7 git Not specified
CNA Linux Linux affected fbf136b932358da1c65eb6fedd064a33a7a96aaa 8079b87c02e531cc91601f72ea8336dd2262fdf1 git Not specified
CNA Linux Linux affected 6.16 Not specified
CNA Linux Linux unaffected 6.16 semver Not specified
CNA Linux Linux unaffected 6.18.16 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.6 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/cf2a37be899dc1b01f53bf1d0157330eaf3e3f55 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/8079b87c02e531cc91601f72ea8336dd2262fdf1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/9f6cc309cd15922fe58cab2dfa1b5993ad31dec7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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