SB2025062046 - NULL pointer dereference in Linux kernel mlx5 core driver
Published: June 20, 2025
Security Bulletin ID
SB2025062046
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) NULL pointer dereference (CVE-ID: CVE-2025-38020)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the mlx5e_fix_uplink_rep_features() function in drivers/net/ethernet/mellanox/mlx5/core/en_main.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1a69d53922c1221351739f17837d38e317234e5d
- https://git.kernel.org/stable/c/1e577aeb51e9deba4f2c10edfcb07cb3cb406598
- https://git.kernel.org/stable/c/1f80e6ff026041721d8089da8c269b1963628325
- https://git.kernel.org/stable/c/588431474eb7572e57a927fa8558c9ba2f8af143
- https://git.kernel.org/stable/c/b48a47e137cedfd79655accaeeea6b296ad0b9e1