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To: Manfred Spraul <manfred@colorfullife.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH][RFC] 2.5.42: remove capable(CAP_SYS_RAWIO) check from
 open_kmem
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From: Olaf Dietsche <olaf.dietsche#list.linux-kernel@t-online.de>
Date: Mon, 14 Oct 2002 00:05:40 +0200
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Manfred Spraul <manfred@colorfullife.com> writes:

> Olaf Dietsche wrote:
>> Now, I have to run this process as root, regardless of filesystem
>> permissions. So, if I trust this particular process with full
>> privileges now, there's no problem in reducing its power a little bit.
>>
> What about writing a small wrapper application that drops all
> priveleges except CAP_RAWIO, switches to user to the user you want,
> then execs the target application that needs to access /dev/kmem?

I just tried this, but I didn't succeed. :-(

> Or store the capabilities in the filesystem, but I don't know which
> filesystem supports that.

There's none so far.

Regards, Olaf.
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