CVE-2026-63849
- Source
- https://cve.org/CVERecord?id=CVE-2026-63849
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63849.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-63849
- Downstream
- Published
- 2026-07-19T14:04:41.395Z
- Modified
- 2026-07-22T05:29:48.710338180Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- drm/amdgpu/vcn: set no_user_fence for VCN v5.0.1 enc ring
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu/vcn: set nouserfence for VCN v5.0.1 enc ring
VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences.
(cherry picked from commit e16be95a2c3ee712b142cb27d2dca0b461181359)
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63849.json", "cna_assigner": "Linux" }- References
-
- https://git.kernel.org/stable/c/081ef0e46c9cdd26c0db0ef721470393d36b6655
- https://git.kernel.org/stable/c/5a4bffd67e94944ed3db26a959346cfb7fabaecd
- https://git.kernel.org/stable/c/8f4954722eab88e10c4ea0c0d3b1269c31421d3a
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63849.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-63849
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git