#VU111560 NULL pointer dereference in Linux kernel - CVE-2025-38020
Published: June 20, 2025
Vulnerability identifier: #VU111560
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-38020
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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 repository.
External links
- 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