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 X-Spam-Level: X-Spam-Status: No, score=-0.6 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 70043ECDFB0 for ; Sun, 15 Jul 2018 02:27:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2464B2089F for ; Sun, 15 Jul 2018 02:27:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=google.com header.i=@google.com header.b="LjseaVra"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="ZOWa98CU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2464B2089F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732996AbeGOCsy (ORCPT ); Sat, 14 Jul 2018 22:48:54 -0400 Received: from mail-yb0-f193.google.com ([209.85.213.193]:46761 "EHLO mail-yb0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731985AbeGOCsy (ORCPT ); Sat, 14 Jul 2018 22:48:54 -0400 Received: by mail-yb0-f193.google.com with SMTP id c3-v6so4689490ybi.13 for ; Sat, 14 Jul 2018 19:27:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=QsV+btA4uJwLvESfcb7wiZTl597SRI18zc1gHRK4F2M=; b=LjseaVraG/dteYMHbW0vMmkuLJW5p/Up6EcD+74pGEx+Z8NfyamF7K57N9BQ+eYhca FLfUuFG8Y/W0tyqUGEWZ/S9KUZlgcADacXsQNXzAD8NlF+iaR1TYjxvc/uFPnett6U39 llUw946vyLzZTCvSdbJvUfThvYv523sprrjaQZgZy9qFMVtui39f05MUsMfri/heydlT uZ5FogKsLVNF9wCNcSkkLe8qilq9zZfOlZYA+jEngg65JK66KUtk0WFxcJ91P/xpcUac WmMzm1QcCDmAMxwuLCZ/vdeH/m+tkUGq0Fx1O6jVONw+QlwUoIgGw6Y/f0Oru/d7e6nH vLQQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=QsV+btA4uJwLvESfcb7wiZTl597SRI18zc1gHRK4F2M=; b=ZOWa98CUXqPLigmarGcye2Z8LXPc758AqboM9MAmajHLbxUbYDZrr8HHjvcvCgFQb7 QfLFyHFl3ZrI7Z6xDg0wsWYaOUj1LYBmqYgZxtkrrb8lqyizjntOqOE/gEaXUPsn/PAP 5MhoZlf8MYNNCTxzx3zudAs6gXHSIm5nt98VU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=QsV+btA4uJwLvESfcb7wiZTl597SRI18zc1gHRK4F2M=; b=MW9UWpaQag2nbgzmi5I/e2t/k1nYHOjaz7+K3WLrIFPFh3OyYvL7Y6IGmNDBZu5M1a X9uQ/YBe359H5B0e+YRKLgUxrJg2xum2nEVgRqP/PHcQ/NL+S8bDGh+GIu40Cgr+g8eF p8jAwTlmx2tWL9gZD+IHxiqwSK5xa7WO8r3532jyzrDM2teHxkHnqp5ko08sYu0NY/FL 4o9ZHlZZ8DwjaoR2ilEenXoMjoGZvIq8dd18M6yuGv/ipfadoo4Ye7Eyd5oUERxljr/O IWlASpuKriQrLjFpV6O4UPiwjz/zRvcbv9LflP3aS+IlxWBf8Z/POEvRPvnQLN5aBRZY kUYA== X-Gm-Message-State: AOUpUlG5NmHzH5cQLAtcF/XCa6s6YdFXp/c8p79we/sLQV1MJqlg7usL oA6xi83KzeG6/y7R+Krnf6hLINNUPXgEuLhMLMrKlg== X-Google-Smtp-Source: AAOMgpe8ueSnhstXVubupCZKqp2dTJa9ekXfTC0DgB1044ze8FBv1bSjV4EwtympWegIM8YY4nB7yYRGGEPVBC+uzMY= X-Received: by 2002:a25:3445:: with SMTP id b66-v6mr6379363yba.484.1531621662873; Sat, 14 Jul 2018 19:27:42 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a25:6602:0:0:0:0:0 with HTTP; Sat, 14 Jul 2018 19:27:42 -0700 (PDT) In-Reply-To: <1531505163-20227-6-git-send-email-zohar@linux.vnet.ibm.com> References: <1531505163-20227-1-git-send-email-zohar@linux.vnet.ibm.com> <1531505163-20227-6-git-send-email-zohar@linux.vnet.ibm.com> From: Kees Cook Date: Sat, 14 Jul 2018 19:27:42 -0700 X-Google-Sender-Auth: BBB73tMICXFaURwiSUNEgE0N4j4 Message-ID: Subject: Re: [PATCH v6 5/8] ima: based on policy require signed firmware (sysfs fallback) To: Mimi Zohar Cc: linux-integrity , linux-security-module , LKML , "Luis R . Rodriguez" , Eric Biederman , Kexec Mailing List , Andres Rodriguez , Greg Kroah-Hartman , "Luis R . Rodriguez" , Matthew Garrett Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 13, 2018 at 11:06 AM, Mimi Zohar wrote: > With an IMA policy requiring signed firmware, this patch prevents > the sysfs fallback method of loading firmware. > > Signed-off-by: Mimi Zohar > Cc: Luis R. Rodriguez > Cc: Matthew Garrett Reviewed-by: Kees Cook -Kees -- Kees Cook Pixel Security