{"id":"CVE-2026-89813","state":"PUBLISHED","title":"drm/amdgpu: force complete the KIQ ring fences on reset","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: force complete the KIQ ring fences on reset\n\nLike the MES scheduler ring, the KIQ ring sets no_scheduler = true and uses a\npolling fence, so it is skipped by the force-completion loop in\namdgpu_device_pre_asic_reset(). Its hw fence value lives in wb (GTT) memory and\nsurvives a MODE1 reset while fence_drv.sync_seq keeps advancing, so after a\nreset the first KIQ submission can poll forever on a seq that is never written\nback.\n\nForce complete the KIQ ring fences too so their hw fence is realigned to\nsync_seq.","publishedAt":"2026-09-16T10:30:46.201Z","updatedAt":"2026-10-30T12:33:09.910Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"65781c78ad74e4260fbec92c0ecc05738044e177","status":"affected","lessThan":"83c54ed3be2f71a21e0f12ce5ca64435e33ba440","versionType":"git"},{"version":"65781c78ad74e4260fbec92c0ecc05738044e177","status":"affected","lessThan":"11adb2bae30a3155395594e5c9bc0daf0c4ffa15","versionType":"git"},{"version":"65781c78ad74e4260fbec92c0ecc05738044e177","status":"affected","lessThan":"9944329e409b04d71fa22f39b38a4bd78b75bcd9","versionType":"git"},{"version":"65781c78ad74e4260fbec92c0ecc05738044e177","status":"affected","lessThan":"c26cbd5c33cd72daa03079235de60688a3c97c52","versionType":"git"},{"version":"65781c78ad74e4260fbec92c0ecc05738044e177","status":"affected","lessThan":"bdd6a58743e00ebc6d52b9cdf9aafb4e535e0b71","versionType":"git"},{"version":"65781c78ad74e4260fbec92c0ecc05738044e177","status":"affected","lessThan":"fd65d1742992361fc2201ecb4e43411e6e417fcb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_device.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.13","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.5","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_device.c"]}],"references":["https://git.kernel.org/stable/c/83c54ed3be2f71a21e0f12ce5ca64435e33ba440","https://git.kernel.org/stable/c/11adb2bae30a3155395594e5c9bc0daf0c4ffa15","https://git.kernel.org/stable/c/9944329e409b04d71fa22f39b38a4bd78b75bcd9","https://git.kernel.org/stable/c/c26cbd5c33cd72daa03079235de60688a3c97c52","https://git.kernel.org/stable/c/bdd6a58743e00ebc6d52b9cdf9aafb4e535e0b71","https://git.kernel.org/stable/c/fd65d1742992361fc2201ecb4e43411e6e417fcb"],"weaknesses":[],"ingestedAt":"2026-10-30T12:52:04.348Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/89xxx/CVE-2026-89813.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89813","state":"PUBLISHED","datePublished":"2026-09-16T10:30:46.201Z","dateUpdated":"2026-10-30T12:33:09.910Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.768Z"},"containers":{"cna":{"title":"drm/amdgpu: force complete the KIQ ring fences on reset","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: force complete the KIQ ring fences on reset\n\nLike the MES scheduler ring, the KIQ ring sets no_scheduler = true and uses a\npolling fence, so it is skipped by the force-completion loop in\namdgpu_device_pre_asic_reset(). Its hw fence value lives in wb (GTT) memory and\nsurvives a MODE1 reset while fence_drv.sync_seq keeps advancing, so after a\nreset the first KIQ submission can poll forever on a seq that is never written\nback.\n\nForce complete the KIQ ring fences too so their hw fence is realigned to\nsync_seq."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"65781c78ad74e4260fbec92c0ecc05738044e177","status":"affected","lessThan":"83c54ed3be2f71a21e0f12ce5ca64435e33ba440","versionType":"git"},{"version":"65781c78ad74e4260fbec92c0ecc05738044e177","status":"affected","lessThan":"11adb2bae30a3155395594e5c9bc0daf0c4ffa15","versionType":"git"},{"version":"65781c78ad74e4260fbec92c0ecc05738044e177","status":"affected","lessThan":"9944329e409b04d71fa22f39b38a4bd78b75bcd9","versionType":"git"},{"version":"65781c78ad74e4260fbec92c0ecc05738044e177","status":"affected","lessThan":"c26cbd5c33cd72daa03079235de60688a3c97c52","versionType":"git"},{"version":"65781c78ad74e4260fbec92c0ecc05738044e177","status":"affected","lessThan":"bdd6a58743e00ebc6d52b9cdf9aafb4e535e0b71","versionType":"git"},{"version":"65781c78ad74e4260fbec92c0ecc05738044e177","status":"affected","lessThan":"fd65d1742992361fc2201ecb4e43411e6e417fcb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_device.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.13","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.5","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_device.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/83c54ed3be2f71a21e0f12ce5ca64435e33ba440"},{"url":"https://git.kernel.org/stable/c/11adb2bae30a3155395594e5c9bc0daf0c4ffa15"},{"url":"https://git.kernel.org/stable/c/9944329e409b04d71fa22f39b38a4bd78b75bcd9"},{"url":"https://git.kernel.org/stable/c/c26cbd5c33cd72daa03079235de60688a3c97c52"},{"url":"https://git.kernel.org/stable/c/bdd6a58743e00ebc6d52b9cdf9aafb4e535e0b71"},{"url":"https://git.kernel.org/stable/c/fd65d1742992361fc2201ecb4e43411e6e417fcb"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:33:09.910Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"6.12.114"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"6.18.57"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"7.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}