From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.12] helo=sc8-sf-mx2.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1B0S9O-0004I2-TM for user-mode-linux-devel@lists.sourceforge.net; Mon, 08 Mar 2004 13:19:02 -0800 Received: from [12.177.129.25] (helo=ccure.user-mode-linux.org) by sc8-sf-mx2.sourceforge.net with esmtp (TLSv1:DES-CBC3-SHA:168) (Exim 4.30) id 1B0RW1-00005E-I7 for user-mode-linux-devel@lists.sourceforge.net; Mon, 08 Mar 2004 12:38:21 -0800 Message-Id: <200403082133.i28LXgVa022876@ccure.user-mode-linux.org> Subject: Re: [uml-devel] More security questions (was: Module exploits into the host?) In-Reply-To: Your message of "Wed, 03 Mar 2004 23:14:01 GMT." <20040303231401.GM14069@localhost.localdomain> References: <20040303200937.GK14069@localhost.localdomain> <20040303231401.GM14069@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii From: Jeff Dike Sender: user-mode-linux-devel-admin@lists.sourceforge.net Errors-To: user-mode-linux-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: The user-mode Linux development list List-Post: List-Help: List-Subscribe: , List-Archive: Date: Mon, 08 Mar 2004 16:33:42 -0500 To: Robin Green Cc: user-mode-linux-devel@lists.sourceforge.net greenrd@greenrd.org said: > 1. Has the lcall vulnerability been fixed? By a change in the mainline > kernel? No. It's easy enough to do - I just haven't got around to it yet. > 2. I read on some mailing list (not this one) that in tt mode, > processes within a UML instance can read and write to each other's > memory! Yes, they can do that through the UML kernel memory, which is mapped writeable into each process. This is impossible in skas mode. Jeff ------------------------------------------------------- This SF.Net email is sponsored by: IBM Linux Tutorials Free Linux tutorial presented by Daniel Robbins, President and CEO of GenToo technologies. Learn everything from fundamentals to system administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel