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From: Matan Peled <chaosite@gmail.com>
To: Jim Nelson <james4765@verizon.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Question about /dev/mem and /dev/kmem
Date: Mon, 29 Nov 2004 06:45:02 +0200	[thread overview]
Message-ID: <41AAA94E.8090001@gmail.com> (raw)
In-Reply-To: <41AA9E26.4070105@verizon.net>

Jim Nelson wrote:

 > I was looking at some articles about rootkits on monolithic kernels, 
and had a thought.  Would a kernel config option to disable write > 
access to /dev/mem and /dev/kmem be a workable idea?


Yes, its a workable idea, and in fact, has already been implemented in 
grsecurity.

http://www.grsecurity.net/features.php


  reply	other threads:[~2004-11-29  4:43 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-11-29  3:57 Question about /dev/mem and /dev/kmem Jim Nelson
2004-11-29  4:45 ` Matan Peled [this message]
2004-11-29  8:04 ` Arjan van de Ven
2004-11-29  9:39 ` Wichert Akkerman
2004-11-29 10:47   ` Jim Nelson
2004-11-29 11:45     ` Alan Cox
2004-11-29 12:36     ` Wichert Akkerman

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