[rsbac] feature request: rsbac restrictions in address accessing to /dev/mem.

Javier J. Martínez Cabezón tazok.id0 at gmail.com
Thu Jan 15 17:26:31 CET 2009

It would be great....  thanks a lot.

2009/1/15 Amon Ott <ao en rsbac.org>:
> Am Dunnersdag 15 Januor 2009 schrieb Javier J. Martínez Cabezón:
>> Enabling global access restrictions to /dev/mem must not be a good
>> idea, If you want to make an forensic analysis (for example rebuilding
>> task with the  task_struct linked list or rebuilding it with the
>> task_struct_cachep using cache objects you will need to reach any
>> address in /dev/mem. It would be great to have one rol forensic_r that
>> only him could reach to all the address in /dev/mem and get the other
>> ones filtered to only video memory don't you think?
> Currently, we have target SCD kmem. We could add SCD video or videomem and use
> that target, if the access is to video area.
> It would take some changes in the current way of interception, because now we
> check at open. Nothing problematic, though.
> Amon.
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