{"id":"CVE-2026-89827","state":"PUBLISHED","title":"drm/amdgpu: avoid force-completing uninitialized UVD rings","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: avoid force-completing uninitialized UVD rings\n\nuvd_v7_0_sw_init() does not initialize the UVD decode ring for an\nSR-IOV VF. However, amdgpu_uvd_resume() unconditionally force-completes\nthe decode ring when restoring its fence sequence.\n\nSkip fence completion when the fence driver is not initialized.","publishedAt":"2026-09-16T10:30:59.419Z","updatedAt":"2026-10-21T12:48:54.673Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0a33b11d26c6b7e975b54d469a739ffac29f67ab","status":"affected","lessThan":"668cfb8ab3e22c10fe74307aac86b3cf456d6923","versionType":"git"},{"version":"0a33b11d26c6b7e975b54d469a739ffac29f67ab","status":"affected","lessThan":"863f08c485fbb51b6443681893e4044c7cb6cd51","versionType":"git"},{"version":"0a33b11d26c6b7e975b54d469a739ffac29f67ab","status":"affected","lessThan":"dc136795f9997adc8d3219f40e8e3afa7df7183f","versionType":"git"},{"version":"0a33b11d26c6b7e975b54d469a739ffac29f67ab","status":"affected","lessThan":"967a179463d3227dfaf9200fd654c1f5a26a11e8","versionType":"git"},{"version":"0a33b11d26c6b7e975b54d469a739ffac29f67ab","status":"affected","lessThan":"6760f5cb12d2366ddd58a2d8637f7583d73f596b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.5","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","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_uvd.c"]}],"references":["https://git.kernel.org/stable/c/668cfb8ab3e22c10fe74307aac86b3cf456d6923","https://git.kernel.org/stable/c/863f08c485fbb51b6443681893e4044c7cb6cd51","https://git.kernel.org/stable/c/dc136795f9997adc8d3219f40e8e3afa7df7183f","https://git.kernel.org/stable/c/967a179463d3227dfaf9200fd654c1f5a26a11e8","https://git.kernel.org/stable/c/6760f5cb12d2366ddd58a2d8637f7583d73f596b"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/89xxx/CVE-2026-89827.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89827","state":"PUBLISHED","datePublished":"2026-09-16T10:30:59.419Z","dateUpdated":"2026-10-21T12:48:54.673Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.769Z"},"containers":{"cna":{"title":"drm/amdgpu: avoid force-completing uninitialized UVD rings","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: avoid force-completing uninitialized UVD rings\n\nuvd_v7_0_sw_init() does not initialize the UVD decode ring for an\nSR-IOV VF. However, amdgpu_uvd_resume() unconditionally force-completes\nthe decode ring when restoring its fence sequence.\n\nSkip fence completion when the fence driver is not initialized."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0a33b11d26c6b7e975b54d469a739ffac29f67ab","status":"affected","lessThan":"668cfb8ab3e22c10fe74307aac86b3cf456d6923","versionType":"git"},{"version":"0a33b11d26c6b7e975b54d469a739ffac29f67ab","status":"affected","lessThan":"863f08c485fbb51b6443681893e4044c7cb6cd51","versionType":"git"},{"version":"0a33b11d26c6b7e975b54d469a739ffac29f67ab","status":"affected","lessThan":"dc136795f9997adc8d3219f40e8e3afa7df7183f","versionType":"git"},{"version":"0a33b11d26c6b7e975b54d469a739ffac29f67ab","status":"affected","lessThan":"967a179463d3227dfaf9200fd654c1f5a26a11e8","versionType":"git"},{"version":"0a33b11d26c6b7e975b54d469a739ffac29f67ab","status":"affected","lessThan":"6760f5cb12d2366ddd58a2d8637f7583d73f596b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.5","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","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_uvd.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/668cfb8ab3e22c10fe74307aac86b3cf456d6923"},{"url":"https://git.kernel.org/stable/c/863f08c485fbb51b6443681893e4044c7cb6cd51"},{"url":"https://git.kernel.org/stable/c/dc136795f9997adc8d3219f40e8e3afa7df7183f"},{"url":"https://git.kernel.org/stable/c/967a179463d3227dfaf9200fd654c1f5a26a11e8"},{"url":"https://git.kernel.org/stable/c/6760f5cb12d2366ddd58a2d8637f7583d73f596b"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-21T12:48:54.673Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"7.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}