Namjae Jeon f56446ba53 ksmbd: fix slab-use-after-free in ksmbd_smb2_session_create
commit 0a77715db22611df50b178374c51e2ba0d58866e upstream.

There is a race condition between ksmbd_smb2_session_create and
ksmbd_expire_session. This patch add missing sessions_table_lock
while adding/deleting session from global session table.

Cc: stable@vger.kernel.org # v5.15+
Reported-by: Norbert Szetei <norbert@doyensec.com>
Tested-by: Norbert Szetei <norbert@doyensec.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-11-14 13:15:14 +01:00
2022-09-28 09:02:20 +02:00
2024-11-08 16:26:48 +01:00

Linux kernel
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