SB2025091705 - Memory leak in Linux kernel steering hws driver
Published: September 17, 2025
Security Bulletin ID
SB2025091705
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) Memory leak (CVE-ID: CVE-2025-39834)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the hws_action_get_shared_stc_nic() function in drivers/net/ethernet/mellanox/mlx5/core/steering/hws/action.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.