SB2025052142 - Improper locking in Linux kernel ethernet mediatek driver



SB2025052142 - Improper locking in Linux kernel ethernet mediatek driver

Published: May 21, 2025 Updated: May 21, 2025

Security Bulletin ID SB2025052142
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-2025-37917)

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

The vulnerability exists due to improper locking within the mtk_star_tx_poll() and mtk_star_rx_poll() functions in drivers/net/ethernet/mediatek/mtk_star_emac.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.