Vulnerabilities > CVE-2021-3455 - Use After Free vulnerability in Zephyrproject Zephyr 2.4.0/2.5.0/2.5.1

047910
CVSS 7.5 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
network
low complexity
zephyrproject
CWE-416
NVD
Published: 2021-10-19
Updated: 2021-10-26

Summary

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

Vulnerable Configurations

Part Description Count
OS
Zephyrproject
10

Common Weakness Enumeration (CWE)

References