CVE-2026-80861: usb: xhci: bail out of setup if the controller is inaccessible

Overview

Severity

Medium (CVSS 4.2)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-07

EPSS Score

0.15% (percentile: 4.9%)

Affected Products (1)

Other

• 21684-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-07: Information published.