CVE-2026-63853: drm/amdgpu/vcn: set no_user_fence for VCN v4.0 enc ring

Overview

Severity

High (CVSS 7.8)

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-20

Last Updated

2026-08-13

EPSS Score

0.13% (percentile: 3.0%)

Affected Products (2)

Other

• 21580-17084
• 21684-17084

Revision History

• 2026-07-20: Information published.
• 2026-07-20: Information published.
• 2026-08-13: Information published.