CVE-2023-0397

CRITICAL

Zephyr < 3.2.0 - Denial of Service via Bluetooth LE Buffer Size Input

Title source: llm
STIX 2.1

Description

A malicious / defect bluetooth controller can cause a Denial of Service due to unchecked input in le_read_buffer_size_complete.

References (1)

Core 1

Scores

CVSS v3 9.6
EPSS 0.0047
EPSS Percentile 36.8%
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 < 3.2.0
Published Jan 19, 2023
Tracked Since Feb 18, 2026