SB20250226638 - Buffer overflow in Linux kernel net bluetooth



SB20250226638 - Buffer overflow in Linux kernel net bluetooth

Published: February 26, 2025 Updated: May 11, 2025

Security Bulletin ID SB20250226638
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) Buffer overflow (CVE-ID: CVE-2022-49138)

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

The vulnerability exists due to memory corruption within the hci_conn_complete_evt(), hci_sync_conn_complete_evt() and le_conn_complete_evt() functions in net/bluetooth/hci_event.c, within the hci_conn_add() function in net/bluetooth/hci_conn.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.