* [PATCH] netrom: Fix nr_getname() leak
@ 2009-08-06 13:31 Eric Dumazet
2009-08-06 20:09 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Eric Dumazet @ 2009-08-06 13:31 UTC (permalink / raw)
To: David S. Miller; +Cc: Linux Netdev List
nr_getname() can leak kernel memory to user.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
---
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index ce51ce0..ce1a34b 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -847,6 +847,7 @@ static int nr_getname(struct socket *sock, struct sockaddr *uaddr,
sax->fsa_ax25.sax25_family = AF_NETROM;
sax->fsa_ax25.sax25_ndigis = 1;
sax->fsa_ax25.sax25_call = nr->user_addr;
+ memset(sax->fsa_digipeater, 0, sizeof(sax->fsa_digipeater));
sax->fsa_digipeater[0] = nr->dest_addr;
*uaddr_len = sizeof(struct full_sockaddr_ax25);
} else {
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] netrom: Fix nr_getname() leak
2009-08-06 13:31 [PATCH] netrom: Fix nr_getname() leak Eric Dumazet
@ 2009-08-06 20:09 ` David Miller
0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2009-08-06 20:09 UTC (permalink / raw)
To: eric.dumazet; +Cc: netdev
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 06 Aug 2009 15:31:07 +0200
> nr_getname() can leak kernel memory to user.
>
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Applied to net-2.6
^ permalink raw reply [flat|nested] 2+ messages in thread
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