drm/amd/display: Fix drm_edid leak in amdgpu_dm

{
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  "url": "https://osv.dev/vulnerability/CVE-2026-31461",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/amd/display: Fix drm_edid leak in amdgpu_dm",
    "summary": "In 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)",
    "evidence": "osv:CVE-2026-31461",
    "products": [
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      "modified": "2026-10-28T02:30:26.855199580Z",
      "provider": "osv",
      "references": [
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      {
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  "source_id": "core-osv",
  "document_id": 493202,
  "published_at": "2026-04-22T13:53:52.875+00:00"
}