CVE-2026-80819: Bluetooth: RFCOMM: take rfcomm_mutex for the deferred setup accept

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-07

Last Updated

2026-10-02

EPSS Score

0.19% (percentile: 8.7%)

Affected Products (2)

Other

• 21684-17084
• 21892-17084

Revision History

• 2026-09-07: Information published.
• 2026-09-23: Information published.
• 2026-09-23: Information published.
• 2026-09-24: Information published.
• 2026-10-02: Information published.