CVE-2026-63851CWE-20

CVE-2026-63851

High · published July 19, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
6.6
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu/vcn: set no_user_fence for VCN v4.0.5 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 084d94ac93707bdda07efb5cee786f632de4219b)

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00175 · 6.6th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-07-19T19:16Z
References (4)
https://git.kernel.org/stable/c/589a254bf3e88204c8402b9cbccd5e23a0af990f · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6d9a98c5ed65ba92a09e4ca5a5f6941448145529 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/75091030f07b7957cc0646cd52e2d9d15f611483 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7f23b5c420b9f68a210c29c5123bace670aa8cc9 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 19 JUL 14:04Z
    drm/amdgpu/vcn: set no_user_fence for VCN v4.0.5 enc ring
    cvelistv5