linux-kernel - Re: security: delete BIOS password in keyboard buffer during kernel bootup

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Message-ID: <20081109110814.13a4c099@lxorguk.ukuu.org.uk>
Date:	Sun, 9 Nov 2008 11:08:14 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	mathias.schnarrenberger@....de
Cc:	"Olaf van der Spek" <olafvdspek@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: security: delete BIOS password in keyboard buffer during kernel
 bootup

On Sun, 9 Nov 2008 09:41:20 +0100
Mathias Schnarrenberger <mathias.schnarrenberger@....de> wrote:

> > What if my BIOS stores some critical info at that memory address?
> > I don't think the kernel is the right place to work around this issue.
> 
> AFAIK every IBM PC compatible BIOS stores the keyboard buffer in this area.

Not every system we boot the x86 kernel on is a PC compatible.
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