Messages in this thread | | | Date | Sat, 29 Apr 2006 19:11:31 +0200 | From | devzero@web ... | Subject | Re: another kconfig target for building monolithic ker nel (for security) ? |
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hello !
do we need to have write access to /dev/kmem - especially on a server without X ? iirc, write access can be disabled, for example with addons like grsecurity. (don`t know what will be broken besides X, though)
regards roland
> -----Ursprüngliche Nachricht----- > Von: Dave Jones <davej@redhat.com> > Gesendet: 29.04.06 18:43:41 > An: devzero@web.de > CC: linux-kernel@vger.kernel.org > Betreff: Re: another kconfig target for building monolithic kernel (for security) ?
> On Sat, Apr 29, 2006 at 03:03:55PM +0200, devzero@web.de wrote: > > > i want to harden a linux system (dedicated root server on the internet) by recompiling the kernel without support for lkm (to prevent installation of lkm based rootkits etc) > > Loading modules via /dev/kmem is trivial thanks to a bunch of tutorials and > examples on the web, so this alone doesn't make life that much more difficult for attackers. > > Dave > > -- > http://www.codemonkey.org.uk
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