Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758340Ab2KBPww (ORCPT ); Fri, 2 Nov 2012 11:52:52 -0400 Received: from mx1.redhat.com ([209.132.183.28]:24533 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754415Ab2KBPwu (ORCPT ); Fri, 2 Nov 2012 11:52:50 -0400 Date: Fri, 2 Nov 2012 11:52:47 -0400 From: Vivek Goyal To: Matthew Garrett Cc: Jiri Kosina , linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, linux-efi@vger.kernel.org Subject: Re: [RFC] Second attempt at kernel secure boot support Message-ID: <20121102155247.GH3300@redhat.com> References: <1348152065-31353-1-git-send-email-mjg@redhat.com> <20121029174131.GC7580@srcf.ucam.org> <20121031150201.GA12394@srcf.ucam.org> <20121102153047.GF3300@redhat.com> <20121102154248.GA7681@srcf.ucam.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20121102154248.GA7681@srcf.ucam.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 772 Lines: 21 On Fri, Nov 02, 2012 at 03:42:48PM +0000, Matthew Garrett wrote: > On Fri, Nov 02, 2012 at 11:30:48AM -0400, Vivek Goyal wrote: > > > "crash" utility has module which allows reading kernel memory. So leaking > > this private key will be easier then you are thinking it to be. > > That's not upstream, right? Yes, checked with Dave, it is not upstream. Well, still it is a concern for distro kernel. So if we keep private key in kernel, looks like we shall have to disable one more feature in secureboot mode. Thanks Vivek -- 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/