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

[Arjan van de Ven]

On Sun, 2004-11-28 at 22:57 -0500, 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?

look at the -mm patch series ;-)

http://www.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.10-rc2/2.6.10-rc2-mm3/broken-out/dev-mem-restriction-patch.patch


(fwiw this patch is also in the Fedora Core kernels for quite some time
now)

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