SB2022112977 - Arbitrary code execution in Linux kernel Bluetooth



SB2022112977 - Arbitrary code execution in Linux kernel Bluetooth

Published: November 29, 2022

Security Bulletin ID SB2022112977
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Buffer overflow (CVE-ID: CVE-2022-3565)

The vulnerability allows an attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the del_timer() function in drivers/isdn/mISDN/l1oip_core.c in the Bluetooth component. An attacker with physical proximity to device can trigger memory corruption and execute arbitrary code on the target system.



Remediation

Install update from vendor's website.