Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755523Ab3IIT4o (ORCPT ); Mon, 9 Sep 2013 15:56:44 -0400 Received: from terminus.zytor.com ([198.137.202.10]:60685 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754842Ab3IIT4m (ORCPT ); Mon, 9 Sep 2013 15:56:42 -0400 Message-ID: <522E27DF.8020409@zytor.com> Date: Mon, 09 Sep 2013 12:56:15 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130625 Thunderbird/17.0.7 MIME-Version: 1.0 To: Josh Boyer CC: Valdis Kletnieks , David Lang , Matthew Garrett , "Linux-Kernel@Vger. Kernel. Org" , Kees Cook , Greg KH , "linux-efi@vger.kernel.org" , James Morris , linux-security-module Subject: Re: [PATCH 00/12] One more attempt at useful kernel lockdown References: <1378741786-18430-1-git-send-email-matthew.garrett@nebula.com> <19562.1378747124@turing-police.cc.vt.edu> <27562.1378753264@turing-police.cc.vt.edu> <522E2487.90109@zytor.com> In-Reply-To: X-Enigmail-Version: 1.5.2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 939 Lines: 27 >> >> I.e. capabilities ;) > > Circles. All I see here are circles. > > Having lived an entire release with a capabilities based mechanism for > this in Fedora, please no. > > And if you are talking about non-POSIX capabilities as you mentioned > earlier, that seems to be no different than having securelevel being a > bitmask of, well, levels. I don't have much opinion on securelevel > being a big hammer or a bitmask of finer grained things, but I do > think it's a more manageable way forward. Calling the implementation > "capabilities" seems to just be unnecessarily confusing. > This is the term "capability" in the general sense, not the POSIX implementation thereof. -hpa -- 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/