SB2025091857 - Out-of-bounds read in Linux kernel mlx5 core driver
Published: September 18, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091857
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2023-53340)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the mlx5_cmd_err_trace() function in drivers/net/ethernet/mellanox/mlx5/core/cmd.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.