linux-kernel - Re: [PATCH 0/4] KEYS: validate key trust with owner and builtin keys only

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Message-ID: <20140610150848.GB7551@srcf.ucam.org>
Date:	Tue, 10 Jun 2014 16:08:48 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Dmitry Kasatkin <d.kasatkin@...sung.com>
Cc:	Josh Boyer <jwboyer@...hat.com>, zohar@...ux.vnet.ibm.com,
	dhowells@...hat.com, keyrings@...ux-nfs.org,
	linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org, dmitry.kasatkin@...il.com
Subject: Re: [PATCH 0/4] KEYS: validate key trust with owner and builtin keys
 only

On Tue, Jun 10, 2014 at 03:58:54PM +0300, Dmitry Kasatkin wrote:

> It is tricky issue. But yes and no... If I forced to trust MS key to run
> SHIM, it does not mean
> that I want to trust MS key to run kernel and load modules or use MS key
> to valid other keys on system keyring.

A kernel parameter that refuses to trust the contents of DB would be 
acceptable, but DBX needs to be used unconditionally.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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