From: <gregkh@linuxfoundation.org>
To: kangjielu@gmail.com, davem@davemloft.net,
gregkh@linuxfoundation.org, kjlu@gatech.edu
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "net: fix infoleak in llc" has been added to the 4.4-stable tree
Date: Mon, 16 May 2016 11:26:01 -0700 [thread overview]
Message-ID: <146342316176153@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
net: fix infoleak in llc
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:
net-fix-infoleak-in-llc.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@vger.kernel.org> know about it.
>From foo@baz Mon May 16 11:21:32 PDT 2016
From: Kangjie Lu <kangjielu@gmail.com>
Date: Tue, 3 May 2016 16:35:05 -0400
Subject: net: fix infoleak in llc
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
From: Kangjie Lu <kangjielu@gmail.com>
[ Upstream commit b8670c09f37bdf2847cc44f36511a53afc6161fd ]
The stack object “info” has a total size of 12 bytes. Its last byte
is padding which is not initialized and leaked via “put_cmsg”.
Signed-off-by: Kangjie Lu <kjlu@gatech.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/llc/af_llc.c | 1 +
1 file changed, 1 insertion(+)
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -626,6 +626,7 @@ static void llc_cmsg_rcv(struct msghdr *
if (llc->cmsg_flags & LLC_CMSG_PKTINFO) {
struct llc_pktinfo info;
+ memset(&info, 0, sizeof(info));
info.lpi_ifindex = llc_sk(skb->sk)->dev->ifindex;
llc_pdu_decode_dsap(skb, &info.lpi_sap);
llc_pdu_decode_da(skb, info.lpi_mac);
Patches currently in stable-queue which might be from kangjielu@gmail.com are
queue-4.4/net-fix-infoleak-in-llc.patch
queue-4.4/net-fix-a-kernel-infoleak-in-x25-module.patch
queue-4.4/net-fix-infoleak-in-rtnetlink.patch
reply other threads:[~2016-05-16 18:33 UTC|newest]
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