| Message ID | 1464197300-17674-1-git-send-email-kamal@canonical.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c index 2c0b83c..05e5c76 100644 --- a/net/llc/af_llc.c +++ b/net/llc/af_llc.c @@ -626,6 +626,7 @@ static void llc_cmsg_rcv(struct msghdr *msg, struct sk_buff *skb) 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);
This is a note to let you know that I have just added a patch titled net: fix infoleak in llc to the linux-3.19.y-queue branch of the 3.19.y-ckt extended stable tree which can be found at: https://git.launchpad.net/~canonical-kernel/linux/+git/linux-stable-ckt/log/?h=linux-3.19.y-queue This patch is scheduled to be released in version 3.19.8-ckt22. If you, or anyone else, feels it should not be added to this tree, please reply to this email. For more information about the 3.19.y-ckt tree, see https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable Thanks. -Kamal ---8<------------------------------------------------------------ From 7f6f366c10ca1066cbb741994db7f8c5c85bd930 Mon Sep 17 00:00:00 2001 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 [ 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: Kamal Mostafa <kamal@canonical.com> --- net/llc/af_llc.c | 1 + 1 file changed, 1 insertion(+) -- 2.7.4