| commit | 37f7f421cce13435fdc0d870caf51141e5ebf079 | [log] [tgz] |
|---|---|---|
| author | David S. Miller <davem@davemloft.net> | Fri Sep 16 16:51:01 2005 -0700 |
| committer | David S. Miller <davem@davemloft.net> | Fri Sep 16 16:51:01 2005 -0700 |
| tree | 402e68f26b4bd54df721589f8f0b2a9c67a01678 | |
| parent | 065d9cac98a5406ecd5a1368f8fd38f55739dee9 [diff] [blame] |
[NET]: Do not leak MSG_CMSG_COMPAT into userspace. Noticed by Sridhar Samudrala. Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/socket.c b/net/socket.c index c699e93..f926447 100644 --- a/net/socket.c +++ b/net/socket.c
@@ -1862,7 +1862,8 @@ if (err < 0) goto out_freeiov; } - err = __put_user(msg_sys.msg_flags, COMPAT_FLAGS(msg)); + err = __put_user((msg_sys.msg_flags & ~MSG_CMSG_COMPAT), + COMPAT_FLAGS(msg)); if (err) goto out_freeiov; if (MSG_CMSG_COMPAT & flags)