[ 3.8.y.z extended stable ] Patch "ipvs: info leak in __ip_vs_get_dest_entries()" has been added to staging queue
Luis Henriques
luis.henriques at canonical.com
Tue Jul 9 16:29:33 UTC 2013
This is a note to let you know that I have just added a patch titled
ipvs: info leak in __ip_vs_get_dest_entries()
to the linux-3.8.y-queue branch of the 3.8.y.z extended stable tree
which can be found at:
http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.8.y-queue
If you, or anyone else, feels it should not be added to this tree, please
reply to this email.
For more information about the 3.8.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable
Thanks.
-Luis
------
>From 2cfed33fd9e8fd9e3220f7761e18228050cf9fea Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter at oracle.com>
Date: Mon, 3 Jun 2013 12:00:49 +0300
Subject: [PATCH] ipvs: info leak in __ip_vs_get_dest_entries()
commit a8241c63517ec0b900695daa9003cddc41c536a1 upstream.
The entry struct has a 2 byte hole after ->port and another 4 byte
hole after ->stats.outpkts. You must have CAP_NET_ADMIN in your
namespace to hit this information leak.
Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
Acked-by: Julian Anastasov <ja at ssi.bg>
Signed-off-by: Simon Horman <horms at verge.net.au>
Signed-off-by: Pablo Neira Ayuso <pablo at netfilter.org>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
net/netfilter/ipvs/ip_vs_ctl.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index ec664cb..5f929a7 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -2556,6 +2556,7 @@ __ip_vs_get_dest_entries(struct net *net, const struct ip_vs_get_dests *get,
struct ip_vs_dest *dest;
struct ip_vs_dest_entry entry;
+ memset(&entry, 0, sizeof(entry));
list_for_each_entry(dest, &svc->destinations, n_list) {
if (count >= get->num_dests)
break;
--
1.8.1.2
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