SB20250226501 - Improper locking in Linux kernel mlx5 core driver



SB20250226501 - Improper locking in Linux kernel mlx5 core driver

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

Security Bulletin ID SB20250226501
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-2022-49333)

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

The vulnerability exists due to improper locking within the mlx5_esw_for_each_rep(), mlx5_esw_offloads_devcom_event(), esw_offloads_devcom_init() and esw_offloads_devcom_cleanup() functions in drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c, within the pci_get_other_drvdata() and mlx5_get_next_dev() functions in drivers/net/ethernet/mellanox/mlx5/core/dev.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.