CVE-2026-63849

High · 7.8

CVSS

7.8

EPSS

0.2%

Published

Jul 19, 2026

CISA due date

—

The record

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)

Affected packages

Ecosystem	Package	Introduced	Fixed