Re: Question about /dev/mem and /dev/kmem

[Matan Peled]

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

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