CVE-2026-63853CWE-20

CVE-2026-63853

High · published July 19, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
6.7
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 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 fd852c048b46f9825e904a4f3f4538fe9d8827d9)

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 · 6.7th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-07-19T19:16Z
References (5)
https://git.kernel.org/stable/c/1286b6872de0aee1feeeaa6dbac86369806de9a5 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/51f694221047c84fa185be98210eb2c354ffb8c6 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/525cc9df654365c147ae61e5562cf599ea2257f7 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6bdd2ed6458d35c368fbe9550a4d7f342abd3a92 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d8df8918677136b018d71d0b94a1f6b816715946 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 19 JUL 14:04Z
    drm/amdgpu/vcn: set no_user_fence for VCN v4.0 enc ring
    cvelistv5