SB20260928251 - Improper locking in Linux kernel mlx5 core driver



SB20260928251 - Improper locking in Linux kernel mlx5 core driver

Published: September 28, 2026 Updated: September 30, 2026

Security Bulletin ID SB20260928251
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper locking (CVE-ID: CVE-2026-97962)

CWE-ID: CWE-667 - Improper Locking

CVSSv4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a local user to trigger a kernel warning.

The vulnerability exists due to improper locking in the representor vnic devlink health reporter lifecycle when unbinding the driver. A local user can unbind the driver to trigger a kernel warning.


Remediation

Install update from vendor's website.