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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 1A75DC46470 for ; Mon, 20 May 2019 21:20:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EEC6E216B7 for ; Mon, 20 May 2019 21:20:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726833AbfETVUd (ORCPT ); Mon, 20 May 2019 17:20:33 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:43334 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726628AbfETVUd (ORCPT ); Mon, 20 May 2019 17:20:33 -0400 Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x4KL1qXI083750 for ; Mon, 20 May 2019 17:20:32 -0400 Received: from e06smtp02.uk.ibm.com (e06smtp02.uk.ibm.com [195.75.94.98]) by mx0a-001b2d01.pphosted.com with ESMTP id 2sm3ashkn5-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 20 May 2019 17:20:32 -0400 Received: from localhost by e06smtp02.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 20 May 2019 22:20:29 +0100 Received: from b06cxnps4074.portsmouth.uk.ibm.com (9.149.109.196) by e06smtp02.uk.ibm.com (192.168.101.132) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 20 May 2019 22:20:25 +0100 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x4KLKOJU41549938 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 20 May 2019 21:20:24 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8DEE111C04C; Mon, 20 May 2019 21:20:24 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6389911C04A; Mon, 20 May 2019 21:20:23 +0000 (GMT) Received: from localhost.localdomain (unknown [9.80.80.109]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 20 May 2019 21:20:23 +0000 (GMT) Subject: Re: [PATCH 3/4] ima: don't ignore INTEGRITY_UNKNOWN EVM status From: Mimi Zohar To: Roberto Sassu , dmitry.kasatkin@huawei.com, mjg59@google.com Cc: linux-integrity@vger.kernel.org, linux-doc@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, silviu.vlasceanu@huawei.com, stable@vger.kernel.org Date: Mon, 20 May 2019 17:20:12 -0400 In-Reply-To: <20190516161257.6640-3-roberto.sassu@huawei.com> References: <20190516161257.6640-1-roberto.sassu@huawei.com> <20190516161257.6640-3-roberto.sassu@huawei.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.20.5 (3.20.5-1.fc24) Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 19052021-0008-0000-0000-000002E8B39A X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19052021-0009-0000-0000-000022556723 Message-Id: <1558387212.4039.77.camel@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-05-20_08:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1905200132 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Thu, 2019-05-16 at 18:12 +0200, Roberto Sassu wrote: > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt > index 52e6fbb042cc..80e1c233656b 100644 > --- a/Documentation/admin-guide/kernel-parameters.txt > +++ b/Documentation/admin-guide/kernel-parameters.txt > @@ -1588,6 +1588,9 @@ > Format: { "off" | "enforce" | "fix" | "log" } > default: "enforce" > > + ima_appraise_req_evm > + [IMA] require EVM for appraisal with file digests. As much as possible we want to limit the number of new boot command line options as possible.  Is there a reason for not extending "ima_appraise=" with "require-evm" or "enforce-evm"? Mimi > + > ima_appraise_tcb [IMA] Deprecated. Use ima_policy= instead. > The builtin appraise policy appraises all files > owned by uid=0.