drm/amd/display: Avoid DPMS-on for phantom stream

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Summary

CVECVE-2026-97431
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-24 17:17:21 UTC
Updated2026-09-25 13:17:26 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid DPMS-on for phantom stream [Why & How] Calling dc_update_planes_and_stream separately for stream and its phantom stream causes a NULL pointer dereference, since the phantom is destroyed on the first call. Skip the call for phantom streams.

Risk And Classification

EPSS: 0.001550000 probability, percentile 0.040120000 (date 2026-09-27)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 9c6669c2e21a2d9b3f3857883c715a302ae64ac0 f2463fc246d3c39be1371389c52b29418ad673d0 git Not specified
CNA Linux Linux affected 9c6669c2e21a2d9b3f3857883c715a302ae64ac0 10f5f9c0ef32d08b228bfee3684b62f36f395852 git Not specified
CNA Linux Linux affected 6.17 Not specified
CNA Linux Linux unaffected 6.17 semver Not specified
CNA Linux Linux unaffected 6.18.53 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/10f5f9c0ef32d08b228bfee3684b62f36f395852 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f2463fc246d3c39be1371389c52b29418ad673d0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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