From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 33892EB64DC for ; Mon, 17 Jul 2023 11:07:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229469AbjGQLHY (ORCPT ); Mon, 17 Jul 2023 07:07:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60858 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229756AbjGQLHH (ORCPT ); Mon, 17 Jul 2023 07:07:07 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 81DE810D5 for ; Mon, 17 Jul 2023 04:07:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Transfer-Encoding: Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description; bh=nI5mcJtNwNNreZZCEpRzrnWiP4V/fEcjzictP0jRuL0=; b=TQqqsRlI+gC1RdH2mnXeb/2O8C deLoJk7cwsrdASV5rKbOWfu2A+knwApoWsD6pvJlSob4e0jy4uWWryJHfMbos33qWNsdNLCMxaCUF a7Dc7wtmn/cVB/cTYDRMr0keiXWHAIOfvbZHAx7H97ZKNiRV86GtvpOn5zR64E4vz4hUiraHirniv gy0k2ge7yoYlnVMzX3Ju2c4E7T725XtH6Z3lBDvCq7BsMJRSkPfY2aFjoGNgOY6OxoJtTRSaFx+Uf HctsvgWHCzZrqVgYc/9YgvF0RpLoHZEtdPRlPd+hOqWau3zX65R12TmxVTwJx4xaUSw3ki7vj6B0O jOGrE/CQ==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1qLM3k-003rNB-I6; Mon, 17 Jul 2023 11:06:32 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id D356A30075E; Mon, 17 Jul 2023 13:06:31 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id BD4462463D7F2; Mon, 17 Jul 2023 13:06:31 +0200 (CEST) Date: Mon, 17 Jul 2023 13:06:31 +0200 From: Peter Zijlstra To: Daniel =?iso-8859-1?Q?P=2E_Berrang=E9?= Cc: Greg KH , Luca Boccassi , Borislav Petkov , Emanuele Giuseppe Esposito , "H. Peter Anvin" , x86@kernel.org, Thomas Gleixner , lennart@poettering.net, Ingo Molnar , Dave Hansen , Andrew Morton , Masahiro Yamada , Alexander Potapenko , Nick Desaulniers , Vitaly Kuznetsov , linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH v2] x86/boot: add .sbat section to the bzImage Message-ID: <20230717110631.GH4253@hirez.programming.kicks-ass.net> References: <2023071226-crafty-deviator-12e2@gregkh> <2023071233-empirical-overturn-744c@gregkh> <2023071350-specked-botanist-6ba8@gregkh> <2023071552-quilt-tranquil-b7bf@gregkh> <2023071643-broiler-level-afbf@gregkh> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 17, 2023 at 10:22:51AM +0100, Daniel P. Berrangé wrote: > I'm not aware of any kernel CVEs since that point in time that > would have implied SBAT changes, but admittedly I've not paid > close enough attention to be entirely confident. Is going back > through 2 years of kernel CVEs (to the point where SBAT was > invented) a long enough timeframe to satisfy this request for > info on the frequency of changes ? Many *MANY* security bugs never get a CVE. CVE is meaningless when it comes to kernel bugs. Why does it make sense to review CVEs ?