{"id":"CVE-2026-63854","summary":"drm/amdgpu/vcn: set no_user_fence for VCN v3.0 enc/dec rings","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/vcn: set no_user_fence for VCN v3.0 enc/dec rings\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 663bed3c7b8b9a7624b0d95d300ddae034ad0614)","modified":"2026-07-22T05:29:53.042635826Z","published":"2026-07-19T14:04:44.487Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63854.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/26c4f38529ac78930c9c4713e16ebc5b689bb0a3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2d6525e7b2504f5bbfe9417cddc1e8da858791dd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b076e45e6f757a2829e80d0144c1b5f201bee5af"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e74fc9c72c1ba78d0de0b849f5929c3b39a8e20c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f1e5a6660d7cbf006079126d9babbf0ccf538c6b"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63854.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63854"},{"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":"cf14826cdfb5c9fe10f98210d040b9d7486c381d"},{"fixed":"e74fc9c72c1ba78d0de0b849f5929c3b39a8e20c"},{"fixed":"26c4f38529ac78930c9c4713e16ebc5b689bb0a3"},{"fixed":"2d6525e7b2504f5bbfe9417cddc1e8da858791dd"},{"fixed":"b076e45e6f757a2829e80d0144c1b5f201bee5af"},{"fixed":"f1e5a6660d7cbf006079126d9babbf0ccf538c6b"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63854.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.9.0"},{"fixed":"6.6.141"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.91"}]},{"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/cve-osv-conversion/osv-output/CVE-2026-63854.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}