drm/amd/display: Fix drm_edid leak in amdgpu_dm

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Summary

CVECVE-2026-31461
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-22 14:16:41 UTC
Updated2026-04-23 16:17:41 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix drm_edid leak in amdgpu_dm [WHAT] When a sink is connected, aconnector->drm_edid was overwritten without freeing the previous allocation, causing a memory leak on resume. [HOW] Free the previous drm_edid before updating it. (cherry picked from commit 52024a94e7111366141cfc5d888b2ef011f879e5)

Risk And Classification

EPSS: 0.000170000 probability, percentile 0.040700000 (date 2026-04-26)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 eb95595194e4755b62360aa821f40a79b0953105 git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 52db857e94b9be4e6315586602b0257d1d2b165a git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 37c2caa167b0b8aca4f74c32404c5288b876a2a3 git Not specified
CNA Linux Linux unaffected 6.18.21 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.11 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/37c2caa167b0b8aca4f74c32404c5288b876a2a3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/52db857e94b9be4e6315586602b0257d1d2b165a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/eb95595194e4755b62360aa821f40a79b0953105 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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