{"id":"CVE-2026-63853","summary":"drm/amdgpu/vcn: set no_user_fence for VCN v4.0 enc ring","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/vcn: set no_user_fence for VCN v4.0 enc ring\n\nVCN encoder and decoder rings do not support 64-bit user fence writes,\nreject CS submissions with user fences.\n\n(cherry picked from commit fd852c048b46f9825e904a4f3f4538fe9d8827d9)","modified":"2026-11-01T02:34:52.998903905Z","published":"2026-07-19T14:04:43.885Z","related":["SUSE-SU-2026:23066-1","SUSE-SU-2026:23068-1","SUSE-SU-2026:23193-1","SUSE-SU-2026:23194-1","SUSE-SU-2026:23221-1","SUSE-SU-2026:23231-1","SUSE-SU-2026:23237-1","SUSE-SU-2026:23241-1","SUSE-SU-2026:23244-1","SUSE-SU-2026:3790-1","SUSE-SU-2026:3810-1","openSUSE-SU-2026:21555-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63853.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1286b6872de0aee1feeeaa6dbac86369806de9a5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/51f694221047c84fa185be98210eb2c354ffb8c6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/525cc9df654365c147ae61e5562cf599ea2257f7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6bdd2ed6458d35c368fbe9550a4d7f342abd3a92"},{"type":"WEB","url":"https://git.kernel.org/stable/c/772f83fc70b797ac88d696671780eaf175cc7f31"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d8df8918677136b018d71d0b94a1f6b816715946"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63853.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63853"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"8da1170a16e4d4b49fa07d1f75ad480847ff7eca"},{"fixed":"772f83fc70b797ac88d696671780eaf175cc7f31"},{"fixed":"525cc9df654365c147ae61e5562cf599ea2257f7"},{"fixed":"d8df8918677136b018d71d0b94a1f6b816715946"},{"fixed":"1286b6872de0aee1feeeaa6dbac86369806de9a5"},{"fixed":"6bdd2ed6458d35c368fbe9550a4d7f342abd3a92"},{"fixed":"51f694221047c84fa185be98210eb2c354ffb8c6"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-63853.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.19.0"},{"fixed":"6.1.191"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.160"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.114"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.33"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-63853.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}