netfilter: ip6_tables: fix information leak to userspace

Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: David S. Miller <davem@davemloft.net>
mariux64 · Nov 4, 2010 · cccbe5e · cccbe5e
1 parent 758cb41
commit cccbe5e
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
@@ -1137,6 +1137,7 @@ static int get_info(struct net *net, void __user *user,
 			private = &tmp;
 		}
 #endif
+		memset(&info, 0, sizeof(info));
 		info.valid_hooks = t->valid_hooks;
 		memcpy(info.hook_entry, private->hook_entry,
 		       sizeof(info.hook_entry));