{"id":"CVE-2026-98926","title":"drm/amd/display: Remove sink usage from DPMS","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Remove sink usage from DPMS\n\n[Why]\nstream->sink is optional and can be null, so should always be checked\nbefore dereference. Additionally, most of its …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 0b1eebd359685dd681f6e0df5540a5bb985a27bf","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 8fa813b7fd1eccbed13e126166cf764f1f11a7d3","Linux < 7.2.9","Linux (all versions)"],"published":"2026-10-23","updated":"2026-10-23","sourceUpdated":"2026-10-23T12:05:54.511Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98926","references":[{"url":"https://git.kernel.org/stable/c/0b1eebd359685dd681f6e0df5540a5bb985a27bf"},{"url":"https://git.kernel.org/stable/c/8fa813b7fd1eccbed13e126166cf764f1f11a7d3"}],"tags":["cve.org"],"ingestedAt":"2026-10-23T13:24:55.567Z","slug":"CVE-2026-98926","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Remove sink usage from DPMS\n\n[Why]\nstream->sink is optional and can be null, so should always be checked\nbefore dereference. Additionally, most of its usage in DPMS sequences\nis for stream->sink->link, which can be replaced with stream->link,\nas the two should always be the same.\n\n[How]\n* Replace stream->sink->link in DPMS on/off\n* Add assert to USB4 BW allocation where sink is required\n* Avoid inconsistencies in resource access, e.g. don't repeat\nstream->link after it was already saved to a local variable\n* Pull out effective VPG calculation to helper getter\n* Formatting fixes\n\n## Affected\n\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 0b1eebd359685dd681f6e0df5540a5bb985a27bf`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 8fa813b7fd1eccbed13e126166cf764f1f11a7d3`\n- `Linux < 7.2.9`\n- `Linux (all versions)`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}