From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753970AbdDNSFX (ORCPT ); Fri, 14 Apr 2017 14:05:23 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:42829 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751554AbdDNSFT (ORCPT ); Fri, 14 Apr 2017 14:05:19 -0400 Date: Fri, 14 Apr 2017 20:05:07 +0200 (CEST) From: Thomas Gleixner To: David Howells cc: LKML , Kyle McMartin , linux-efi@vger.kernel.org, gnomes@lxorguk.ukuu.org.uk, gregkh@linuxfoundation.org, x86@kernel.org, linux-security-module@vger.kernel.org, keyrings@vger.kernel.org, matthew.garrett@nebula.com, Matt Fleming , Ard Biesheuvel Subject: Re: [PATCH 06/24] Add a sysrq option to exit secure boot mode In-Reply-To: <149142332458.5101.14654616837280513947.stgit@warthog.procyon.org.uk> Message-ID: References: <149142326734.5101.4596394505987813763.stgit@warthog.procyon.org.uk> <149142332458.5101.14654616837280513947.stgit@warthog.procyon.org.uk> User-Agent: Alpine 2.20 (DEB 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 5 Apr 2017, David Howells wrote: > From: Kyle McMartin > > Make sysrq+x exit secure boot mode on x86_64, thereby allowing the running > kernel image to be modified. This lifts the lockdown. > > Signed-off-by: Kyle McMartin > Signed-off-by: David Howells > cc: x86@kernel.org Matt, Ard? Any opinions on this? Thanks, tglx From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Gleixner Subject: Re: [PATCH 06/24] Add a sysrq option to exit secure boot mode Date: Fri, 14 Apr 2017 20:05:07 +0200 (CEST) Message-ID: References: <149142326734.5101.4596394505987813763.stgit@warthog.procyon.org.uk> <149142332458.5101.14654616837280513947.stgit@warthog.procyon.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: <149142332458.5101.14654616837280513947.stgit-S6HVgzuS8uM4Awkfq6JHfwNdhmdF6hFW@public.gmane.org> Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: David Howells Cc: LKML , Kyle McMartin , linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, gnomes-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org, gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, linux-security-module-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, keyrings-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, matthew.garrett-05XSO3Yj/JvQT0dZR+AlfA@public.gmane.org, Matt Fleming , Ard Biesheuvel List-Id: linux-efi@vger.kernel.org On Wed, 5 Apr 2017, David Howells wrote: > From: Kyle McMartin > > Make sysrq+x exit secure boot mode on x86_64, thereby allowing the running > kernel image to be modified. This lifts the lockdown. > > Signed-off-by: Kyle McMartin > Signed-off-by: David Howells > cc: x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org Matt, Ard? Any opinions on this? Thanks, tglx From mboxrd@z Thu Jan 1 00:00:00 1970 From: tglx@linutronix.de (Thomas Gleixner) Date: Fri, 14 Apr 2017 20:05:07 +0200 (CEST) Subject: [PATCH 06/24] Add a sysrq option to exit secure boot mode In-Reply-To: <149142332458.5101.14654616837280513947.stgit@warthog.procyon.org.uk> References: <149142326734.5101.4596394505987813763.stgit@warthog.procyon.org.uk> <149142332458.5101.14654616837280513947.stgit@warthog.procyon.org.uk> Message-ID: To: linux-security-module@vger.kernel.org List-Id: linux-security-module.vger.kernel.org On Wed, 5 Apr 2017, David Howells wrote: > From: Kyle McMartin > > Make sysrq+x exit secure boot mode on x86_64, thereby allowing the running > kernel image to be modified. This lifts the lockdown. > > Signed-off-by: Kyle McMartin > Signed-off-by: David Howells > cc: x86 at kernel.org Matt, Ard? Any opinions on this? Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-security-module" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html