SB2023032870 - Privilege escalation in Linux kernel Bluetooth



SB2023032870 - Privilege escalation in Linux kernel Bluetooth

Published: March 28, 2023

Security Bulletin ID SB2023032870
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local 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) Double Free (CVE-ID: CVE-2023-28464)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the hci_conn_cleanup() function in net/bluetooth/hci_conn.c in Linux kernel. A local user can trigger a double free error and execute arbitrary code with elevated privileges.



Remediation

Install update from vendor's website.