Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755427Ab3IIT6T (ORCPT ); Mon, 9 Sep 2013 15:58:19 -0400 Received: from mail-ob0-f176.google.com ([209.85.214.176]:60039 "EHLO mail-ob0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752981Ab3IIT6R (ORCPT ); Mon, 9 Sep 2013 15:58:17 -0400 MIME-Version: 1.0 In-Reply-To: <522E27DF.8020409@zytor.com> 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> <522E27DF.8020409@zytor.com> Date: Mon, 9 Sep 2013 15:58:16 -0400 Message-ID: Subject: Re: [PATCH 00/12] One more attempt at useful kernel lockdown From: Josh Boyer To: "H. Peter Anvin" 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 Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1086 Lines: 28 On Mon, Sep 9, 2013 at 3:56 PM, H. Peter Anvin wrote: >>> >>> 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. See the whole last paragraph. Particularly the last sentence. josh -- 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/