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Date: Sat, 31 Jan 2015 15:30:21 -0800
From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Richard Weinberger <richard.weinberger@gmail.com>
Cc: Josh Triplett <josh@joshtriplett.org>,
        Casey Schaufler <casey@schaufler-ca.com>,
        Iulia Manda <iulia.manda21@gmail.com>,
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        Peter Zijlstra <peterz@infradead.org>, Michal Hocko <mhocko@suse.cz>,
        LSM <linux-security-module@vger.kernel.org>
Subject: Re: [PATCH v2] kernel: Conditionally support non-root users, groups
 and capabilities
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On Fri, Jan 30, 2015 at 10:56:14PM +0100, Richard Weinberger wrote:
> On Fri, Jan 30, 2015 at 10:40 PM, Josh Triplett <josh@joshtriplett.org> wrote:
> > *Today*, Linux is a challenging choice for a tiny embedded system.
> > We're trying to fix that.
> 
> Can you please more specific about the embedded systems exactly you're
> talking about?
> 
> I find this patch rather controversial as it removes a lot of security.
> Embedded systems *are* a target for all kind of attacks.
> Misguided embedded engineers will abuse this feature and produce even more
> weak targets.

Without this patch, those same engineers would simply run everything as
root.  "Make a foolproof system, and they will invent a better fool".  ;-)

							Thanx, Paul