From: Andi Kleen <andi@firstfloor.org>
To: Crispin Cowan <crispin@crispincowan.com>
Cc: Arjan van de Ven <arjan@infradead.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
LSM ML <linux-security-module@vger.kernel.org>,
apparmor-dev <apparmor-dev@forge.novell.com>
Subject: Re: AppArmor Security Goal
Date: Sat, 10 Nov 2007 22:04:35 +0100 [thread overview]
Message-ID: <p73tzntzuak.fsf@bingen.suse.de> (raw)
In-Reply-To: <473380AD.5070801@crispincowan.com> (Crispin Cowan's message of "Thu\, 08 Nov 2007 13\:33\:33 -0800")
Crispin Cowan <crispin@crispincowan.com> writes:
The document should be a good base for a merge.
> * A confined process can operate on a file descriptor passed to it
> by an unconfined process, even if it manipulates a file not in the
> confined process's profile. To block this attack, confine the
> process that passed the file descriptor.
That is the only thing that tripped me up a bit while reading the document.
Can you expand a bit on the reasons why the fd is not rechecked in
the context of the target process? Best do it in a new version of the
document.
-Andi
next prev parent reply other threads:[~2007-11-10 21:04 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-08 21:33 AppArmor Security Goal Crispin Cowan
2007-11-10 21:04 ` Andi Kleen [this message]
2007-11-10 21:24 ` Crispin Cowan
2007-11-11 3:23 ` John Johansen
2007-11-10 21:28 ` david
2007-11-11 3:36 ` John Johansen
2007-11-10 22:04 ` Dr. David Alan Gilbert
2007-11-10 22:11 ` Crispin Cowan
2007-11-10 22:24 ` Dr. David Alan Gilbert
2007-11-10 22:41 ` Crispin Cowan
2007-11-10 22:57 ` Alan Cox
2007-11-10 23:14 ` Crispin Cowan
2007-11-10 23:54 ` Alan Cox
2007-11-10 23:25 ` Dr. David Alan Gilbert
2007-11-10 23:52 ` david
2007-11-10 23:47 ` Dr. David Alan Gilbert
2007-11-10 23:56 ` Alan Cox
2007-11-11 1:27 ` david
2007-11-11 3:59 ` John Johansen
2007-11-12 23:58 ` Crispin Cowan
2007-11-11 4:17 ` John Johansen
2007-11-11 4:50 ` david
2007-11-13 0:13 ` Crispin Cowan
2007-11-11 7:02 ` Rogelio M. Serrano Jr.
2007-11-12 23:50 ` Crispin Cowan
2007-11-13 1:20 ` John Johansen
2007-11-11 2:17 ` Casey Schaufler
2007-11-11 3:55 ` John Johansen
2007-11-13 0:10 ` Joshua Brindle
2007-11-13 4:58 ` Casey Schaufler
-- strict thread matches above, loose matches on Subject: below --
2007-11-11 8:16 Rob Meijer
[not found] <9nngC-6iQ-25@gated-at.bofh.it>
[not found] ` <9o6Qq-2Hk-17@gated-at.bofh.it>
[not found] ` <9o6Qq-2Hk-15@gated-at.bofh.it>
[not found] ` <9o706-2Xe-17@gated-at.bofh.it>
[not found] ` <9o7jp-3lE-5@gated-at.bofh.it>
[not found] ` <9o7Wg-4sT-15@gated-at.bofh.it>
[not found] ` <9of7j-7ej-7@gated-at.bofh.it>
2007-11-12 18:43 ` Bodo Eggert
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