From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: Draft manpage explaining kernel lockdown Date: Wed, 15 Nov 2017 22:12:46 +0100 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" Return-path: Content-Disposition: inline In-Reply-To: <7969.1507201224-S6HVgzuS8uM4Awkfq6JHfwNdhmdF6hFW@public.gmane.org> Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: David Howells Cc: Ard Biesheuvel , mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, mcgrof-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org, linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, keyrings-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-security-module-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-efi@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--