This is a note to let you know that I've just added the patch titled
unix_diag: fix info leak
to the 3.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
unix_diag-fix-info-leak.patch
and it can be found in the queue-3.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From e69ccba66791d0edd0d596520de268369aaab610 Mon Sep 17 00:00:00 2001
From: Mathias Krause <[email protected]>
Date: Mon, 30 Sep 2013 22:05:40 +0200
Subject: unix_diag: fix info leak
From: Mathias Krause <[email protected]>
[ Upstream commit 6865d1e834be84ddd5808d93d5035b492346c64a ]
When filling the netlink message we miss to wipe the pad field,
therefore leak one byte of heap memory to userland. Fix this by
setting pad to 0.
Signed-off-by: Mathias Krause <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
net/unix/diag.c | 1 +
1 file changed, 1 insertion(+)
--- a/net/unix/diag.c
+++ b/net/unix/diag.c
@@ -124,6 +124,7 @@ static int sk_diag_fill(struct sock *sk,
rep->udiag_family = AF_UNIX;
rep->udiag_type = sk->sk_type;
rep->udiag_state = sk->sk_state;
+ rep->pad = 0;
rep->udiag_ino = sk_ino;
sock_diag_save_cookie(sk, rep->udiag_cookie);
Patches currently in stable-queue which might be from [email protected] are
queue-3.11/unix_diag-fix-info-leak.patch
queue-3.11/proc-connector-fix-info-leaks.patch
queue-3.11/connector-use-nlmsg_len-to-check-message-length.patch
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