CVE-2023-52480

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix race condition between session lookup and expire Thread A + Thread B ksmbd_session_lookup | smb2_sess_setup sess = xa_load | | | xa_erase(&conn->sessions, sess->id); | | ksmbd_session_destroy(sess) –> kfree(sess) | // UAF! | sess->last_active = jiffies | + This patch add rwsem to fix race condition between ksmbd_session_lookup and ksmbd_expire_session.

Date published : 2024-02-29

https://git.kernel.org/stable/c/18ced78b0ebccc2d16f426143dc56ab3aad666be

https://git.kernel.org/stable/c/53ff5cf89142b978b1a5ca8dc4d4425e6a09745f