From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758304AbdKOVNZ (ORCPT ); Wed, 15 Nov 2017 16:13:25 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:45607 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933864AbdKOVMs (ORCPT ); Wed, 15 Nov 2017 16:12:48 -0500 Date: Wed, 15 Nov 2017 22:12:46 +0100 From: Pavel Machek To: David Howells Cc: Ard Biesheuvel , mtk.manpages@gmail.com, mcgrof@kernel.org, johannes@sipsolutions.net, linux-man@vger.kernel.org, keyrings@vger.kernel.org, linux-security-module@vger.kernel.org, linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Draft manpage explaining kernel lockdown Message-ID: <20171115211246.GF6183@amd> References: <7969.1507201224@warthog.procyon.org.uk> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="BzCohdixPhurzSK4" Content-Disposition: inline In-Reply-To: <7969.1507201224@warthog.procyon.org.uk> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --BzCohdixPhurzSK4 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > Attached is a draft for a manual page (kernel_lockdown.7) that I intend to > point at from messages emitted when the kernel prohibits something becaus= e the > kernel is in 'lockdown' mode, typically triggered by EFI secure > boot. What about livepatching? It allows kernel modifications.. and it has some interestlingly insecure /sys controls being merged just now... Pavel =09 --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --BzCohdixPhurzSK4 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAloMrc4ACgkQMOfwapXb+vKKUwCdEPbzuQ1Vu/ZnRIJJ/5GYsCxR 71oAn1YjfT8qBEhk2vvdlalbdg40uxkc =mAAp -----END PGP SIGNATURE----- --BzCohdixPhurzSK4--