CVE-2026-63850CWE-20

CVE-2026-63850

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 v5.0.0 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 49b1fbbb5a071197ee71e2d70959b1cb29bdc317)

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
Affected products (4)
ProductVersionsFixed in
linux/linux_kernel≥ 6.9, < 6.12.916.12.91
linux/linux_kernel≥ 6.13, < 6.18.336.18.33
linux/linux_kernel≥ 6.19, < 7.0.107.0.10
linux/linux_kernelall versions—
References (4)
https://git.kernel.org/stable/c/139a8a52ef4349c62129703b3a3e3a6ae4d634eb · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2c350f3cd94be847ac216e1358ec7001eaaf0934 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8cae0ce77de492d7c31c1532a2e80c0c6e7e58cb · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9f5a1459ecc3195282be617639d710b54779c9dc · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 19 JUL 14:04Z
    drm/amdgpu/vcn: set no_user_fence for VCN v5.0.0 enc ring
    cvelistv5