af_key: more info leaks in pfkey messages
authorDan Carpenter <dan.carpenter@oracle.com>
Sun, 28 Jul 2013 20:04:45 +0000 (23:04 +0300)
committerWilly Tarreau <w@1wt.eu>
Mon, 19 May 2014 05:53:50 +0000 (07:53 +0200)
[ Upstream commit ff862a4668dd6dba962b1d2d8bd344afa6375683 ]

This is inspired by a5cc68f3d6 "af_key: fix info leaks in notify
messages".  There are some struct members which don't get initialized
and could disclose small amounts of private information.

Acked-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Willy Tarreau <w@1wt.eu>
net/key/af_key.c

index 9d22e4679708451cd89f5fe0547bf62f4b534c4f..3f55faae3fb0569a31ef925b07f283145e5d93e2 100644 (file)
@@ -2079,6 +2079,7 @@ static int pfkey_xfrm_policy2msg(struct sk_buff *skb, struct xfrm_policy *xp, in
                        pol->sadb_x_policy_type = IPSEC_POLICY_NONE;
        }
        pol->sadb_x_policy_dir = dir+1;
+       pol->sadb_x_policy_reserved = 0;
        pol->sadb_x_policy_id = xp->index;
        pol->sadb_x_policy_priority = xp->priority;
 
@@ -3111,7 +3112,9 @@ static int pfkey_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *t, struct
        pol->sadb_x_policy_exttype = SADB_X_EXT_POLICY;
        pol->sadb_x_policy_type = IPSEC_POLICY_IPSEC;
        pol->sadb_x_policy_dir = dir+1;
+       pol->sadb_x_policy_reserved = 0;
        pol->sadb_x_policy_id = xp->index;
+       pol->sadb_x_policy_priority = xp->priority;
 
        /* Set sadb_comb's. */
        if (x->id.proto == IPPROTO_AH)
@@ -3499,6 +3502,7 @@ static int pfkey_send_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
        pol->sadb_x_policy_exttype = SADB_X_EXT_POLICY;
        pol->sadb_x_policy_type = IPSEC_POLICY_IPSEC;
        pol->sadb_x_policy_dir = dir + 1;
+       pol->sadb_x_policy_reserved = 0;
        pol->sadb_x_policy_id = 0;
        pol->sadb_x_policy_priority = 0;