PT-2026-61169 · Linux · Linux

CVE-2026-63852 · Published 2026-07-19 · Updated 2026-07-19

Mitre

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

drm/amdgpu/vcn: set no user fence for VCN v4.0.3 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 ff1a5a125c5a70c328806b9bc01d7d942cf3f9aa)

Fix

Related Identifiers

CVE-2026-63852

Affected Products

Linux

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-63852 · Security Note
• https://git.kernel.org/stable/c/4532b52b34e4e4310386e6fdf6a643368599f522 · Note
• https://git.kernel.org/stable/c/0177ac6141c8857130cf365369c74dee7b6b1f7f · Note
• https://git.kernel.org/stable/c/9076a83e5adefd10dc5c967c7b8bde601c4c512a · Note
• https://git.kernel.org/stable/c/c12a5d35033c0640c57c10d7111c010c7b9c2c8e · Note
• https://git.kernel.org/stable/c/387b7c7667bd5c53549350ddad866d2fcf75a529 · Note