linux-kernel - Re: Using x86 segments against NULL pointer deference exploit

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Message-ID: <20091108194112.GB14381@basil.fritz.box>
Date:	Sun, 8 Nov 2009 20:41:12 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	matthieu castet <castet.matthieu@...e.fr>
Cc:	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
	Alan Cox <alan@...rguk.ukuu.org.uk>, jkosina@...e.cz,
	hpa@...or.com
Subject: Re: Using x86 segments against NULL pointer deference exploit


Please see 12.3.3.3 of 
http://www.intel.com/Assets/PDF/manual/248966.pdf
for details why this is a bad idea.

-Andi
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