CVE-2026-98457: Bluetooth: L2CAP: validate frame length before control and FCS access

Overview

Severity

High (CVSS 7.1)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-20

EPSS Score

0.18% (percentile: 7.5%)

Affected Products (1)

Other

• 21932-17084

Revision History

• 2026-10-20: Information published.