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)
https://git.kernel.org/stable/c/062cfd6c678f6647c8841f684d6dadab08d95512
https://git.kernel.org/stable/c/000acb4ce7fb9feba3072ce468ad681f6585cd5d