linux-kernel - Re: [RFC] Privilege dropping security module

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Message-Id: <200909240803.FHE43203.MFLOJFHFOOtVSQ@I-love.SAKURA.ne.jp>
Date:	Thu, 24 Sep 2009 08:03:34 +0900
From:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:	andy753421@...il.com
Cc:	linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC] Privilege dropping security module

Andy Spencer wrote:
> > And what do you propose as an interesting use case for dpriv?
> 
> I think the two most important things about dpriv is that it can be used
> by ordinary users and that is can create policies programmatically.
> 
> Being able to use dpriv as a non root user is pretty strait forward. For
> example, a user of a multi-user system may want to try some untrusted
> code without risking access to the rest of the system:
You need to add some quota, or malicious/careless users can consume
all kernel memory and crash the system...
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