drm/amd/display: check if dml21_add_phantom_plane() is successful

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-80705
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-28 08:16:56 UTC
Updated2026-08-28 08:16:56 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/amd/display: check if dml21_add_phantom_plane() is successful Verify that the phantom plane was allocated to avoid a later segfault. (cherry picked from commit 5adb54abe5a8e82cbff7f8806db30a5f4924329f)

Risk And Classification

EPSS: 0.001450000 probability, percentile 0.040620000 (date 2026-08-30)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 70839da6360500a82e4d5f78499284474cbed7c1 062cfd6c678f6647c8841f684d6dadab08d95512 git Not specified
CNA Linux Linux affected 70839da6360500a82e4d5f78499284474cbed7c1 000acb4ce7fb9feba3072ce468ad681f6585cd5d git Not specified
CNA Linux Linux affected 6.11 Not specified
CNA Linux Linux unaffected 6.11 semver Not specified
CNA Linux Linux unaffected 7.1.8 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/062cfd6c678f6647c8841f684d6dadab08d95512 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/000acb4ce7fb9feba3072ce468ad681f6585cd5d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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