From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757163AbZEUXdT (ORCPT ); Thu, 21 May 2009 19:33:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754712AbZEUXdF (ORCPT ); Thu, 21 May 2009 19:33:05 -0400 Received: from tundra.namei.org ([65.99.196.166]:52581 "EHLO tundra.namei.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755509AbZEUXdE (ORCPT ); Thu, 21 May 2009 19:33:04 -0400 Date: Fri, 22 May 2009 09:32:39 +1000 (EST) From: James Morris To: Eric Paris cc: linux-kernel@vger.kernel.org, zohar@linux.vnet.ibm.com, safford@watson.ibm.com Subject: Re: [PATCH] IMA: Minimal IMA policy and boot param for TCB IMA policy In-Reply-To: <20090521194706.5050.93139.stgit@dhcp231-142.rdu.redhat.com> Message-ID: References: <20090521194706.5050.93139.stgit@dhcp231-142.rdu.redhat.com> User-Agent: Alpine 2.00 (LRH 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 21 May 2009, Eric Paris wrote: > The IMA TCB policy is dangerous. A normal use can use all of a system's > memory (which cannot be freed) simply by building and running lots of > executables. The TCB policy is also nearly useless because logging in as root > often causes a policy violation when dealing with utmp, thus rendering the > measurements meaningless. Applied to git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6#next -- James Morris