SB20251226229 - Improper locking in Linux kernel usb mtu3 driver



SB20251226229 - Improper locking in Linux kernel usb mtu3 driver

Published: December 26, 2025 Updated: December 31, 2025

Security Bulletin ID SB20251226229
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local 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) Improper locking (CVE-ID: CVE-2023-54159)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the advance_enq_gpd(), qmu_done_tx() and qmu_done_rx() functions in drivers/usb/mtu3/mtu3_qmu.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.