← Database

CVE-2021-3455

MEDIUM CVSS: 4.3 Published: 2021-10-19 Modified: 2026-06-17

Description

Disconnecting L2CAP channel right after invalid ATT request leads freeze. Zephyr versions >= 2.4.0, >= 2.5.0 contain Use After Free (CWE-416). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7g38-3x9v-v7vp

Affected Platforms

Zephyrproject Zephyr

Weakness Type

CWE-416, CWE-416

References