CVE-2025-22041 Information

Description

In the Linux kernel the following vulnerability has been resolved:

ksmbd: fix use-after-free in ksmbd_sessions_deregister()

In multichannel mode UAF issue can occur in session_deregister when the second channel sets up a session through the connection of the first channel. session that is freed through the global session table can be accessed again through ->sessions of connection.

Reference

https://git.kernel.org/stable/c/15a9605f8d69dc85005b1a00c31a050b8625e1aa https://git.kernel.org/stable/c/33cc29e221df7a3085ae413e8c26c4e81a151153 https://git.kernel.org/stable/c/8ed0e9d2f410f63525afb8351181eea36c80bcf1 https://git.kernel.org/stable/c/a8a8ae303a8395cbac270b5b404d85df6ec788f8 https://git.kernel.org/stable/c/ca042cc0e4f9e0d2c8f86dd67e4b22f30a516a9b https://git.kernel.org/stable/c/f0eb3f575138b816da74697bd506682574742fcd