From 0535beef12f0d415e334516b981b2994b76b78cf Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Thu, 6 Aug 2009 03:31:07 +0000 Subject: [PATCH] netrom: Fix nr_getname() leak commit f6b97b29513950bfbf621a83d85b6f86b39ec8db upstream. nr_getname() can leak kernel memory to user. Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/netrom/af_netrom.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index 3be0e016ab7df..0c3e7551dbb72 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -848,6 +848,7 @@ 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 { -- 2.47.2