ksmbd: fix out of bounds read in smb2_sess_setup

Browse source

commit 98422bdd4c upstream.

ksmbd does not consider the case of that smb2 session setup is
in compound request. If this is the second payload of the compound,
OOB read issue occurs while processing the first payload in
the smb2_sess_setup().

Cc: stable@vger.kernel.org
Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-21355
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>

...

This commit is contained in:

Namjae Jeon 2023-06-24 12:33:09 +09:00 • committed by Greg Kroah-Hartman

parent 869ef4f296

commit ef572ffa8e

1 changed files with 17 additions and 14 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

31

fs/smb/server/smb2pdu.c

View file