This is a note to let you know that I've just added the patch titled net: fix infoleak in llc to the 3.14-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-3.14 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 May 16 14:28:53 PDT 2016 From: Kangjie Lu <kangjielu@xxxxxxxxx> 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 Status: RO Content-Length: 829 Lines: 26 From: Kangjie Lu <kangjielu@xxxxxxxxx> [ 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@xxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 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@xxxxxxxxx are queue-3.14/net-fix-a-kernel-infoleak-in-x25-module.patch queue-3.14/net-fix-infoleak-in-llc.patch queue-3.14/net-fix-infoleak-in-rtnetlink.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html