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xfrm: Fix replay size checking on async events 

We pass the wrong netlink attribute to xfrm_replay_verify_len().
It should be XFRMA_REPLAY_ESN_VAL and not XFRMA_REPLAY_VAL as
we currently doing. This causes memory corruptions if the
replay esn attribute has incorrect length. Fix this by passing
the right attribute to xfrm_replay_verify_len().

Reported-by: Michael Rossberg <michael.rossberg@tu-ilmenau.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Steffen Klassert 2013-09-09 09:39:01 +02:00
parent 73a695f857
commit 4479ff76c4
1 changed files with 1 additions and 1 deletions
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2
net/xfrm/xfrm_user.c
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@ -1856,7 +1856,7 @@ static int xfrm_new_ae(struct sk_buff *skb, struct nlmsghdr *nlh,
if (x->km.state != XFRM_STATE_VALID)
goto out;
err = xfrm_replay_verify_len(x->replay_esn, rp);
err = xfrm_replay_verify_len(x->replay_esn, re);
if (err)
goto out;