{"schema_version":"1.9.0","id":"CVE-2026-63851","published":"2026-07-19T14:04:42.581Z","modified":"2026-08-31T18:26:08.043145991Z","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"],"summary":"drm/amdgpu/vcn: set no_user_fence for VCN v4.0.5 enc ring","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/vcn: set no_user_fence for VCN v4.0.5 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 084d94ac93707bdda07efb5cee786f632de4219b)","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"547aad32edac17a3ec4989d8aad2426d0cbeb590"},{"fixed":"75091030f07b7957cc0646cd52e2d9d15f611483"},{"fixed":"6d9a98c5ed65ba92a09e4ca5a5f6941448145529"},{"fixed":"7f23b5c420b9f68a210c29c5123bace670aa8cc9"},{"fixed":"589a254bf3e88204c8402b9cbccd5e23a0af990f"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63851.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"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-2026-63851.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/589a254bf3e88204c8402b9cbccd5e23a0af990f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6d9a98c5ed65ba92a09e4ca5a5f6941448145529"},{"type":"WEB","url":"https://git.kernel.org/stable/c/75091030f07b7957cc0646cd52e2d9d15f611483"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7f23b5c420b9f68a210c29c5123bace670aa8cc9"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63851.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63851"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63851.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}