From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754150AbeAIO1r (ORCPT + 1 other); Tue, 9 Jan 2018 09:27:47 -0500 Received: from mga14.intel.com ([192.55.52.115]:59625 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752330AbeAIO1o (ORCPT ); Tue, 9 Jan 2018 09:27:44 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,335,1511856000"; d="scan'208";a="9029050" Date: Tue, 9 Jan 2018 16:27:30 +0200 From: Jarkko Sakkinen To: Cedric Blancher Cc: platform-driver-x86@vger.kernel.org, x86@kernel.org, Linux Kernel Mailing List , Borislav Petkov , "David S. Miller" , Greg Kroah-Hartman , Grzegorz Andrejczuk , Haim Cohen , Ingo Molnar , Janakarajan Natarajan , Jim Mattson , Kan Liang , "Kirill A. Shutemov" , Kyle Huey , Len Brown , "open list:DOCUMENTATION" , "open list:FILESYSTEMS (VFS and infrastructure)" , Mauro Carvalho Chehab , Paolo Bonzini , Piotr Luc , Radim =?utf-8?B?S3LEjW3DocWZ?= , Randy Dunlap , Sean Christopherson , Thomas Gleixner , Tom Lendacky , Vikas Shivappa Subject: Re: [PATCH v6 00/11] Intel SGX Driver Message-ID: <20180109142730.ndhxmw6p22kae5fv@linux.intel.com> References: <20171125193132.24321-1-jarkko.sakkinen@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: On Thu, Jan 04, 2018 at 03:17:24PM +0100, Cedric Blancher wrote: > So how does this protect against the MELTDOWN attack (CVE-2017-5754) > and the MELTATOMBOMBA4 worm which uses this exploit? > > Ced Everything going out of L1 gets encrypted. This is done to defend against peripheral like adversaries and should work also against meltdown. /Jarkko