linux-kernel - Re: Trusted kernel patchset

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Message-ID: <1426540286.22371.29.camel@nebula.com>
Date:	Mon, 16 Mar 2015 21:11:27 +0000
From:	Matthew Garrett <matthew.garrett@...ula.com>
To:	"david@...g.hm" <david@...g.hm>
CC:	"keescook@...omium.org" <keescook@...omium.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"james.l.morris@...cle.com" <james.l.morris@...cle.com>,
	"gnomes@...rguk.ukuu.org.uk" <gnomes@...rguk.ukuu.org.uk>,
	"serge@...lyn.com" <serge@...lyn.com>,
	"linux-security-module@...r.kernel.org" 
	<linux-security-module@...r.kernel.org>,
	"hpa@...or.com" <hpa@...or.com>
Subject: Re: Trusted kernel patchset

On Mon, 2015-03-16 at 13:35 -0700, David Lang wrote:
> On Mon, 16 Mar 2015, Matthew Garrett wrote:
> > That's one implementation. Another is the kernel being stored on
> > non-volatile media.
> 
> Anything that encourages deploying systems that can't be upgraded to fix bugs 
> that are discovered is a problem.
> 
> This is an issue that the Internet of Things folks are just starting to notice, 
> and it's only going to get worse before it gets better.
> 
> How do you patch bugs on your non-volitile media? What keeps that mechansim from 
> being abused.

Nothing stops people from deploying kernels on non-volatile media right
now. This doesn't change anything.