Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759476AbXIURj3 (ORCPT ); Fri, 21 Sep 2007 13:39:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751126AbXIURjX (ORCPT ); Fri, 21 Sep 2007 13:39:23 -0400 Received: from iriserv.iradimed.com ([72.242.190.170]:6139 "EHLO iradimed.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750919AbXIURjW (ORCPT ); Fri, 21 Sep 2007 13:39:22 -0400 Message-ID: <46F401D6.6060609@cfl.rr.com> Date: Fri, 21 Sep 2007 13:39:34 -0400 From: Phillip Susi User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) MIME-Version: 1.0 To: David Newall CC: Alan Cox , Bill Davidsen , majkls , bunk@fs.tum.de, linux-kernel@vger.kernel.org Subject: Re: sys_chroot+sys_fchdir Fix References: <46F0CD96.9030807@prepere.com> <20070919104018.3a6bcfb1@the-village.bc.nu> <46F16A0A.3070402@tmr.com> <20070919194559.36015307@the-village.bc.nu> <46F1A196.8060108@davidnewall.com> In-Reply-To: <46F1A196.8060108@davidnewall.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 21 Sep 2007 17:39:32.0967 (UTC) FILETIME=[5EC52F70:01C7FC76] X-TM-AS-Product-Ver: SMEX-7.5.0.1243-5.0.1021-15438.000 X-TM-AS-Result: No--12.646100-5.000000-31 X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 405 Lines: 12 David Newall wrote: > * In particular, the superuser can escape from a =91chroot jail=92 by d= > oing=20 > =91mkdir foo; chroot foo; cd ..=92. No, he can not. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/