From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752896AbdJTXUB (ORCPT ); Fri, 20 Oct 2017 19:20:01 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:18757 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752605AbdJTXT7 (ORCPT ); Fri, 20 Oct 2017 19:19:59 -0400 Date: Sat, 21 Oct 2017 03:19:14 +0400 (+04) From: James Morris X-X-Sender: james.l.morris@t440 To: David Howells cc: linux-security-module@vger.kernel.org, gnomes@lxorguk.ukuu.org.uk, linux-efi@vger.kernel.org, matthew.garrett@nebula.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, jforbes@redhat.com Subject: Re: [PATCH 01/27] Add the ability to lock down access to the running kernel image In-Reply-To: <150842463996.7923.6815305873334959305.stgit@warthog.procyon.org.uk> Message-ID: References: <150842463163.7923.11081723749106843698.stgit@warthog.procyon.org.uk> <150842463996.7923.6815305873334959305.stgit@warthog.procyon.org.uk> User-Agent: Alpine 2.20 (LFD 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Source-IP: userv0022.oracle.com [156.151.31.74] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 19 Oct 2017, David Howells wrote: > Provide a single call to allow kernel code to determine whether the system > should be locked down, thereby disallowing various accesses that might > allow the running kernel image to be changed including the loading of > modules that aren't validly signed with a key we recognise, fiddling with > MSR registers and disallowing hibernation, > > Signed-off-by: David Howells Acked-by: James Morris -- James Morris