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Re: [PATCH 2/5] Bad dereference of xfrm_state in pf_key

from [David S. Miller] [Permanent Link][Original]
To: Krishna Kumar <krkumar@xxxxxxxxxx>
Subject: Re: [PATCH 2/5] Bad dereference of xfrm_state in pf_key
From: "David S. Miller" <davem@xxxxxxxxxx>
Date: Tue, 13 Jan 2004 23:21:37 -0800
Cc: netdev@xxxxxxxxxxx
In-reply-to: <Pine.LNX.4.44.0401131321310.25742-100000@linux-udp14999547uds>
References: <Pine.LNX.4.44.0401131319510.25742-100000@linux-udp14999547uds> <Pine.LNX.4.44.0401131321310.25742-100000@linux-udp14999547uds>
Sender: netdev-bounce@xxxxxxxxxxx 
On Tue, 13 Jan 2004 13:22:36 -0800 (PST)
Krishna Kumar <krkumar@xxxxxxxxxx> wrote:

> In pfkey_get(), the xfrm_state is dereferenced after it is dropped,
> which could lead to dereferencing freed memory. This can also be done
> by dropping the reference before the pfkey_broadcast() and in the IS_ERR
> case.

Obviously correct, patch applied thanks.
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