CVE-2026-63856
HIGH
7.8
CVSS 3.1
Description
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu/vcn: set no_user_fence for VCN v2.0 enc/dec rings
VCN encoder and decoder rings do not support 64-bit user fence writes,
reject CS submissions with user fences.
(cherry picked from commit e2b5499fca55f1a32960a311bbb62e35891eaf73)
Metadata
Severity & Metrics
7.8
HIGH CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products (2)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| Linux | Linux | — | 1b61de45dfaff00b627e47349a019658e39268b9 < f264019be80de79f84f464846451445923bffea0, 1b61de45dfaff00b627e47349a019658e39268b9 < 5e777bc4cbe928ac0fd95e368fee1540f2ce4db2, 1b61de45dfaff00b627e47349a019658e39268b9 < ac06ce5cac9e711281585d09d00c6efcd9b86396, 1b61de45dfaff00b627e47349a019658e39268b9 < c71aecae98e42dcf2baf462df50b3a2cf1a93fe4 … |
| Linux | Linux | — | 5.3, 0 < 5.3, 6.6.141 ≤ 6.6.*, 6.12.91 ≤ 6.12.* … |
CVSS scores (1)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 7.8 | HIGH | 3.1 | cna | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
References (5)
- https://git.kernel.org/stable/c/f264019be80de79f84f464846451445923bffea0
- https://git.kernel.org/stable/c/5e777bc4cbe928ac0fd95e368fee1540f2ce4db2
- https://git.kernel.org/stable/c/ac06ce5cac9e711281585d09d00c6efcd9b86396
- https://git.kernel.org/stable/c/c71aecae98e42dcf2baf462df50b3a2cf1a93fe4
- https://git.kernel.org/stable/c/8d80b293b41fcb5e9396db93e788b0f4ebcbafb7