CVE-2025-21888 | Linux Kernel up to 6.12.17/6.13.5 __mlx5_ib_dereg_mr privilege escalation (Nessus ID 236874 / WID-SEC-2025-0649)
A vulnerability was found in Linux Kernel up to 6.12.17/6.13.5. It has been declared as problematic. This vulnerability affects the function __mlx5_ib_dereg_mr. Executing manipulation can lead to privilege escalation.
This vulnerability appears as CVE-2025-21888. The attacker needs to be present on the local network. There is no available exploit.
It is recommended to upgrade the affected component.