{"schema":"threatline.record/2","record":{"id":"CVE-2026-98997","aliases":[],"summary":"drm/amdgpu/userq: only accept doorbell BOs as queue doorbell","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/userq: only accept doorbell BOs as queue doorbell\n\namdgpu_userq_get_doorbell_index() pins any BO passed as doorbell_handle\ninto the doorbell domain. For a regular BO, TTM moves it with\nttm_bo_move_null() and its contents are lost. Since an importer on the\nsame device gets the exporter's GEM object, a client can do this to a\nbuffer another client shared with it.\n\nReject BOs that were not created in the doorbell domain.\n\nv2: drop the error message, use a local abo variable (Christian)\n\n(cherry picked from commit f7497bbc19db4821c62b9d97b31c9086feb2d917)","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98997","source_modified_at":"2026-10-23T12:20:16.267Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Linux","vendor":"Linux","versions":[{"version":"f09c1e6077abd1bc2ddd2b97e1135215801ca7f9","lessThan":"112dbe2b10d6d088a6c599980dd960dcbfa55ff0","status":"affected","versionType":"git"},{"version":"f09c1e6077abd1bc2ddd2b97e1135215801ca7f9","lessThan":"8640b3f961d743d6dc0458c2b53a3af434690cc1","status":"affected","versionType":"git"},{"version":"f09c1e6077abd1bc2ddd2b97e1135215801ca7f9","lessThan":"7f7c88dbf4d543f6703e53bdeed380e886733167","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98997","source_modified_at":"2026-10-23T12:20:16.267Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Linux","vendor":"Linux","versions":[{"version":"6.16","status":"affected"},{"version":"0","lessThan":"6.16","status":"unaffected","versionType":"semver"},{"version":"6.18.57","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.11","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98997","source_modified_at":"2026-10-23T12:20:16.267Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"112dbe2b10d6d088a6c599980dd960dcbfa55ff0","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98997","source_modified_at":"2026-10-23T12:20:16.267Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"8640b3f961d743d6dc0458c2b53a3af434690cc1","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98997","source_modified_at":"2026-10-23T12:20:16.267Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"7f7c88dbf4d543f6703e53bdeed380e886733167","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-23T12:20:16.267Z","modified_at":"2026-10-23T12:20:16.267Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98997","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T12:20:16.267Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/112dbe2b10d6d088a6c599980dd960dcbfa55ff0"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/8640b3f961d743d6dc0458c2b53a3af434690cc1"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/7f7c88dbf4d543f6703e53bdeed380e886733167"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-23T12:20:16.267Z","content_hash":"a4106237c9857949719225a3084dae8feb53cd88fc44c70e7f313848cdfd0c93"}}