SB20240620254 - Resource management error in Linux kernel mt76 mt7921 driver



SB20240620254 - Resource management error in Linux kernel mt76 mt7921 driver

Published: June 20, 2024 Updated: May 13, 2025

Security Bulletin ID SB20240620254
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) Resource management error (CVE-ID: CVE-2021-47019)

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

The vulnerability exists due to resource management error within the mt7921_pci_suspend() function in drivers/net/wireless/mediatek/mt76/mt7921/pci.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.