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Date: Wed, 30 Apr 2008 16:58:44 +0200
From: Marcus Meissner <>
Cc:, Karsten Keil <>
Subject: Re: security problem in ESP fragment handling?

On Wed, Apr 30, 2008 at 10:21:18AM -0400, Steven M. Christey wrote:
> On Wed, 30 Apr 2008, Marcus Meissner wrote:
> > According to Karsten Keil just ESP fragment packets need to be accepted
> > by the kernel to trigger the condition.
> > We think this might be true for all 2.6 kernels (ever since esp.c got added)
> Any idea what the starting version might be?

2.6.0 (introduced during 2.5 development).
> Also, you mentioned a hang, but the commit says a BUG() is generated.  is
> this just based on different inputs?

I think the BUG() will kill the network event handler thread, but I let
the experts comment here.

Ciao, Marcus

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