ksmbd: fix memleak in session setup

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commit 6d7cb549c2 upstream.

If client send session setup request with unknown NTLMSSP message type,
session that does not included channel can be created. It will cause
session memleak. because ksmbd_sessions_deregister() does not destroy
session if channel is not included. This patch return error response if
client send the request unknown NTLMSSP message type.

Cc: stable@vger.kernel.org
Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20593
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>

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Namjae Jeon 2023-05-03 08:26:45 +09:00 • committed by Greg Kroah-Hartman

parent a70751dd7b

commit c3a3259675

1 changed files with 4 additions and 0 deletions

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fs/ksmbd/smb2pdu.c

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