drm/amd/display: fix NULL checks for adev->dm.dc in amdgpu_dm_fini()

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CVE-2024-27041 · Microsoft / collected KEV context

cve-program · CVE-2024-27041

• https://git.kernel.org/stable/c/cef0f2fe65ccee638e48fd5c1d590a3c0539acdd
• https://git.kernel.org/stable/c/e040f1fbe9abae91b12b074cfc3bbb5367b79811
• https://git.kernel.org/stable/c/ca2eb375db76fd50f31afdd67d6ca4f833254957
• https://git.kernel.org/stable/c/1c62697e4086de988b31124fb8c79c244ea05f2b
• https://git.kernel.org/stable/c/2a3cfb9a24a28da9cc13d2c525a76548865e182c

• drm/amd/display: fix NULL checks for adev->dm.dc in amdgpu_dm_fini() · Affected-version evidence changed · 30 Oct 2026