Linux Kernel: DRM_AMD Display Phantom Plane Segfault Prevention
CVE-2026-80705 Published on August 28, 2026
drm/amd/display: check if dml21_add_phantom_plane() is successful
In 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)
Products Associated with CVE-2026-80705
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Affected Versions
Linux:- Version 70839da6360500a82e4d5f78499284474cbed7c1 and below 062cfd6c678f6647c8841f684d6dadab08d95512 is affected.
- Version 70839da6360500a82e4d5f78499284474cbed7c1 and below 000acb4ce7fb9feba3072ce468ad681f6585cd5d is affected.
- Version 6.11 is affected.
- Before 6.11 is unaffected.
- Version 7.1.8, <= 7.1.* is unaffected.
- Version 7.2, <= * is unaffected.