SB2022120132 - Denial of service in Liux kernel bluetooth



SB2022120132 - Denial of service in Liux kernel bluetooth

Published: December 1, 2022

Security Bulletin ID SB2022120132
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Memory leak (CVE-ID: CVE-2022-3619)

The vulnerability allows an attacker to perform a DoS attack.

The vulnerability exists due memory leak within the l2cap_recv_acldata() function in net/bluetooth/l2cap_core.c. An attacker with physical proximity to device can force the system to leak memory and perform denial of service attack.


Remediation

Install update from vendor's website.