CVE-2025-71220 | Linux Kernel up to 5.15.199/6.1.162/6.6.123/6.12.69/6.18.9 smb ksmbd_session_rpc_close privilege escalation

A vulnerability classified as critical has been found in Linux Kernel up to 5.15.199/6.1.162/6.6.123/6.12.69/6.18.9. Impacted is the function ksmbd_session_rpc_close of the component smb. Performing a manipulation results in privilege escalation.

This vulnerability is known as CVE-2025-71220. Access to the local network is required for this attack. No exploit is available.

It is recommended to upgrade the affected component.