CVEvulnerability
CVE-2026-63855
7.8 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-07-19
- Last modified
- 2026-10-26
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-20
Description
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu/vcn: set no_user_fence for VCN v2.5 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 efc9dd5590894109bce9a0bfe1fa5592dd6b20b1)
Affected configurations
• linux linux kernel (>= 5.4 < 6.6.141)
• linux linux kernel (>= 6.7 < 6.12.91)
• linux linux kernel (>= 6.13 < 6.18.33)
• linux linux kernel (>= 6.19 < 7.0.10)
• linux linux kernel 7.1
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- https://git.kernel.org/stable/c/2c6fb056567efb49f8674108b86088a1cfaa86d0 Patch
- https://git.kernel.org/stable/c/4f317863a3ab212a027d8c8c3cc3af4e3fb95704 Patch
- https://git.kernel.org/stable/c/5a3c6f76cab164a5d803084908d7050f649ab7f9 Patch
- https://git.kernel.org/stable/c/602d4c5872b25ddd4d82fb2025efb9a05b187bb3 Patch
- https://git.kernel.org/stable/c/8f0ea4524dc71c6c9ec97f2711f46e12f624140f Patch