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ipvs: info leak in __ip_vs_get_dest_entries()

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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 <[email protected]>
Acked-by: Julian Anastasov <[email protected]>
Signed-off-by: Simon Horman <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
This commit is contained in:
Dan Carpenter 2013-06-03 12:00:49 +03:00 • committed by Pablo Neira Ayuso
commit a8241c6351
1 changed files with 1 additions and 0 deletions
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1
net/netfilter/ipvs/ip_vs_ctl.c
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@ -2542,6 +2542,7 @@ __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;