CVE-2021-3329

CRITICAL

Zephyrproject Zephyr Project Zephyr - Bluetooth Stack Crash via HCI Host Initialization

Title source: llm
STIX 2.1

Description

Lack of proper validation in HCI Host stack initialization can cause a crash of the bluetooth stack

References (1)

Scores

CVSS v3 9.6
EPSS 0.0022
EPSS Percentile 43.9%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-665 CWE-703
Status published
Products (1)
zephyrproject/zephyr 2.4.0 (4 CPE variants)
Published Feb 26, 2023
Tracked Since Feb 18, 2026