CVE-2026-43134

HighCVSS 8.1/10Last modified Oct 19, 2026

Description

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

Bluetooth: L2CAP: Fix missing key size check for L2CAP_LE_CONN_REQ

This adds a check for encryption key size upon receiving L2CAP_LE_CONN_REQ which is required by L2CAP/LE/CFC/BV-15-C which expects L2CAP_CR_LE_BAD_KEY_SIZE.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-326

Affected software

No affected versions have been published.

Timeline

Published
May 6, 2026
Last modified
Oct 19, 2026
NVD status
Modified

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CVE-2026-43134: High severity, CVSS 8.1 | Vulnix