SB20251001158 - Improper resource shutdown or release in Linux kernel mlx5 core driver



SB20251001158 - Improper resource shutdown or release in Linux kernel mlx5 core driver

Published: October 1, 2025 Updated: October 27, 2025

Security Bulletin ID SB20251001158
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 resource shutdown or release (CVE-ID: CVE-2023-53507)

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

The vulnerability exists due to failure to properly release resources within the mlx5_uninit_one() function in drivers/net/ethernet/mellanox/mlx5/core/main.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.