This is a note to let you know that I've just added the patch titled
af_iucv: Validate socket address length in iucv_sock_bind()
to the 4.4-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:
af_iucv-validate-socket-address-length-in-iucv_sock_bind.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Mon Feb 29 14:33:50 PST 2016
From: Ursula Braun <ursula.braun@xxxxxxxxxx>
Date: Tue, 19 Jan 2016 10:41:33 +0100
Subject: af_iucv: Validate socket address length in iucv_sock_bind()
From: Ursula Braun <ursula.braun@xxxxxxxxxx>
[ Upstream commit 52a82e23b9f2a9e1d429c5207f8575784290d008 ]
Signed-off-by: Ursula Braun <ursula.braun@xxxxxxxxxx>
Reported-by: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Reviewed-by: Evgeny Cherkashin <Eugene.Crosser@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/iucv/af_iucv.c | 3 +++
1 file changed, 3 insertions(+)
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -708,6 +708,9 @@ static int iucv_sock_bind(struct socket
if (!addr || addr->sa_family != AF_IUCV)
return -EINVAL;
+ if (addr_len < sizeof(struct sockaddr_iucv))
+ return -EINVAL;
+
lock_sock(sk);
if (sk->sk_state != IUCV_OPEN) {
err = -EBADFD;
Patches currently in stable-queue which might be from ursula.braun@xxxxxxxxxx are
queue-4.4/af_iucv-validate-socket-address-length-in-iucv_sock_bind.patch
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