Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261845AbVEPUKI (ORCPT ); Mon, 16 May 2005 16:10:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261803AbVEPUHo (ORCPT ); Mon, 16 May 2005 16:07:44 -0400 Received: from turing-police.cc.vt.edu ([128.173.14.107]:37130 "EHLO turing-police.cc.vt.edu") by vger.kernel.org with ESMTP id S261849AbVEPUG1 (ORCPT ); Mon, 16 May 2005 16:06:27 -0400 Message-Id: <200505162005.j4GK5nR7016070@turing-police.cc.vt.edu> X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.1-RC3 To: ebiederm@xmission.com (Eric W. Biederman) Cc: Andi Kleen , Andy Isaacson , "Richard F. Rebel" , Gabor MICSKO , linux-kernel@vger.kernel.org, mpm@selenic.com, tytso@mit.edu Subject: Re: Hyper-Threading Vulnerability In-Reply-To: Your message of "Mon, 16 May 2005 13:14:23 MDT." From: Valdis.Kletnieks@vt.edu References: <1115963481.1723.3.camel@alderaan.trey.hu> <1116009483.4689.803.camel@rebel.corp.whenu.com> <20050513190549.GB47131@muc.de> <20050513212620.GA12522@hexapodia.org> <20050515094352.GB68736@muc.de> <20050516110359.GA70871@muc.de> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1116273945_5623P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Mon, 16 May 2005 16:05:48 -0400 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1353 Lines: 38 --==_Exmh_1116273945_5623P Content-Type: text/plain; charset=us-ascii On Mon, 16 May 2005 13:14:23 MDT, Eric W. Biederman said: > Interesting. I think that is a problem for the hypervisor maintainer. > Although that is about enough to convince me to request a > OS flag that says "please give me privacy" and later that can be passed > down to the hypervisor. My gut feel is running under a hypervisor > is when things will at their most vulnerable. Not really, because.... > I think discovering a crypto process will simply be a matter > finding a https sever. As for getting the timing how about > initiating a https connection? Getting rid of the noise will certainly > be a challenge but you will have multiple attempts. And the hypervisor is, if anything, adding noise. --==_Exmh_1116273945_5623P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFCiP0ZcC3lWbTT17ARAgMeAKDFLjlZzEvNSoPvBiSssMOk7ILTEwCfVlIo AXqcvCE7+G8lqhUFMHvEqDY= =+9nm -----END PGP SIGNATURE----- --==_Exmh_1116273945_5623P-- - 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/