drm/amdgpu/jpeg: set no_user_fence for JPEG v5.3.0 ring

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-63840
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-19 15:16:50 UTC
Updated2026-07-20 15:16:50 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v5.3.0 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 86ac011ae234c03fb872f4945913391ea1d8862e)

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

EPSS: 0.001560000 probability, percentile 0.051540000 (date 2026-07-20)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 4aeaf3cbfa9f967e71849c66c6914ab6c2054581 46ad73aec27d020f103b4262e4da2d2c22f54799 git Not specified
CNA Linux Linux affected 4aeaf3cbfa9f967e71849c66c6914ab6c2054581 3b0ea2021351b6b813b34fac940957f1f4fad85b git Not specified
CNA Linux Linux affected 7.0 Not specified
CNA Linux Linux unaffected 7.0 semver Not specified
CNA Linux Linux unaffected 7.0.10 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/3b0ea2021351b6b813b34fac940957f1f4fad85b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/46ad73aec27d020f103b4262e4da2d2c22f54799 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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