From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755930AbZESO71 (ORCPT ); Tue, 19 May 2009 10:59:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751641AbZESO7U (ORCPT ); Tue, 19 May 2009 10:59:20 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:55673 "EHLO www.etchedpixels.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751265AbZESO7U (ORCPT ); Tue, 19 May 2009 10:59:20 -0400 Date: Tue, 19 May 2009 15:54:26 +0100 From: Alan Cox To: Andrea Cc: 7eggert@gmx.de, linux-kernel@vger.kernel.org Subject: Re: super root shell/mode/api Message-ID: <20090519155426.3af0ca72@lxorguk.ukuu.org.uk> In-Reply-To: <607293.42795.qm@web23608.mail.ird.yahoo.com> References: <607293.42795.qm@web23608.mail.ird.yahoo.com> X-Mailer: Claws Mail 3.7.0 (GTK+ 2.14.7; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > With this super shell/mode/menu in less then one second, you stop > everything - a global SIGSTP - and gain control over your machine! Too late, the attacker has already patched your "super shell" out and disabled it. I don't think you can outreact a 3GHz processor.