CVE-2026-63849CWE-20

CVE-2026-63849

High · published July 19, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
6.4
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 v5.0.1 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 e16be95a2c3ee712b142cb27d2dca0b461181359)

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
0.00173 · 6.4th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-07-19T19:16Z
Affected products (3)
ProductVersionsFixed in
linux/linux_kernel≥ 6.14, < 6.18.336.18.33
linux/linux_kernel≥ 6.19, < 7.0.107.0.10
linux/linux_kernelall versions—
References (3)
https://git.kernel.org/stable/c/081ef0e46c9cdd26c0db0ef721470393d36b6655 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5a4bffd67e94944ed3db26a959346cfb7fabaecd · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8f4954722eab88e10c4ea0c0d3b1269c31421d3a · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 19 JUL 14:04Z
    drm/amdgpu/vcn: set no_user_fence for VCN v5.0.1 enc ring
    cvelistv5