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=-6.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 55717C4338F for ; Thu, 12 Aug 2021 00:18:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1C0DC6104F for ; Thu, 12 Aug 2021 00:18:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232704AbhHLASa (ORCPT ); Wed, 11 Aug 2021 20:18:30 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:23281 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230185AbhHLAS3 (ORCPT ); Wed, 11 Aug 2021 20:18:29 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1628727484; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=4eT5LFi20fqGWZ9/oJgp9ntXEKmIPfE+Msk29wwhWKk=; b=AgURI4STtzvCnn237W5wKg3BPwrXaHdUr86YAplc63+etvlc5tidtdn92/aTyTZsSX6+Rd /lnzmxSJEGXFG7FSmeDxMYxyrybM6TarmKhkdPW1UtWnaSiZTW+3fJVUFOWEs7y+6qrxzD 7V9ixmQ8pUU9XU7dIbz2Zld1ctHZ6O0= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-373-MZsQ6B3JMNe-J8r6FUFb1Q-1; Wed, 11 Aug 2021 20:18:03 -0400 X-MC-Unique: MZsQ6B3JMNe-J8r6FUFb1Q-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id F0A388042CF; Thu, 12 Aug 2021 00:18:01 +0000 (UTC) Received: from x2.localnet (unknown [10.22.8.17]) by smtp.corp.redhat.com (Postfix) with ESMTP id 080395D9C6; Thu, 12 Aug 2021 00:17:56 +0000 (UTC) From: Steve Grubb To: "linux-integrity@vger.kernel.org" , linux-audit@redhat.com, Mimi Zohar Cc: THOBY Simon , "dmitry.kasatkin@gmail.com" , BARVAUX Didier Subject: Re: [PATCH v7 0/5] IMA: restrict the accepted digest algorithms for the security.ima xattr Date: Wed, 11 Aug 2021 20:17:54 -0400 Message-ID: <3123021.aeNJFYEL58@x2> Organization: Red Hat In-Reply-To: <2072391.irdbgypaU6@x2> References: <20210811114037.201887-1-simon.thoby@viveris.fr> <2072391.irdbgypaU6@x2> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org Hello, On Wednesday, August 11, 2021 7:53:15 PM EDT Steve Grubb wrote: > On Wednesday, August 11, 2021 3:40:51 PM EDT Mimi Zohar wrote: > > On Wed, 2021-08-11 at 11:40 +0000, THOBY Simon wrote: > > Other than the two questions on " IMA: add a policy option to restrict > > xattr hash algorithms on appraisal" patch, the patch set is looking > > good. > > > > thanks, > > > > Mimi > > > > > Here is also a short description of the new audit messages, but I can > > > send it in a followup mail if that is not the proper place: > > > > > > When writing the xattr with an algorithm not built in the kernel (here > > > the kernel was built with CONFIG_CRYPTO_MD5 unset), e.g. with > > > > > > "evmctl ima_hash -a md5 /usr/bin/strace": > > > audit(1628066120.418:121): pid=1344 uid=0 auid=0 ses=1 > > > subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 op=set_data > > > cause=unavailable-hash-algorithm comm="evmctl" name="/usr/bin/ strace" > > > dev="dm-0" ino=2632657 res=0 errno=0> > > Is this audit event accurate? I seem to be seeing name=value=value. I'm > hoping this is a copy/paste/mail client issue. Sorry for the noise...I see there is a space in there. -Steve