linux-kernel - Re: [AppArmor 39/45] AppArmor: Profile loading and manipulation, pathname matching

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Date:	Tue, 26 Jun 2007 10:50:07 +0200
From:	Lars Marowsky-Bree <lmb@...e.de>
To:	Pavel Machek <pavel@...e.cz>, Chris Mason <chris.mason@...cle.com>
Cc:	James Morris <jmorris@...ei.org>,
	Stephen Smalley <sds@...ho.nsa.gov>,
	Crispin Cowan <crispin@...ell.com>, Greg KH <greg@...ah.com>,
	Andreas Gruenbacher <agruen@...e.de>, jjohansen@...e.de,
	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	linux-fsdevel@...r.kernel.org
Subject: Re: [AppArmor 39/45] AppArmor: Profile loading and manipulation, pathname matching

On 2007-06-25T17:14:11, Pavel Machek <pavel@...e.cz> wrote:

> Actually, I surprised Lars a lot by telling him ln /etc/shadow /tmp/
> allows any user to make AA ineffective on large part of systems -- in
> internal discussion. (It is not actually a _bug_, but it is certainly
> unexpected).

Pavel, no, you did not. You _did_ surprise me by misquoting me so badly,
though.

I agreed that actions by not mediated processes can interfere with
mediated processes. That is a given. So you do not give them free access
to a world writable directory.



Regards,
    Lars

-- 
Teamlead Kernel, SuSE Labs, Research and Development
SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nürnberg)
"Experience is the name everyone gives to their mistakes." -- Oscar Wilde

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