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Thu, 12 Aug 2021 00:20:22 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 85A691B4B8; Thu, 12 Aug 2021 00:20:22 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 741241819AC2; Thu, 12 Aug 2021 00:20:21 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 17C0I1Xr013871 for ; Wed, 11 Aug 2021 20:18:02 -0400 Received: by smtp.corp.redhat.com (Postfix) id EF2605D9CA; 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 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 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-loop: linux-audit@redhat.com Cc: "dmitry.kasatkin@gmail.com" , BARVAUX Didier , THOBY Simon X-BeenThere: linux-audit@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Linux Audit Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-audit-bounces@redhat.com Errors-To: linux-audit-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=linux-audit-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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 -- Linux-audit mailing list Linux-audit@redhat.com https://listman.redhat.com/mailman/listinfo/linux-audit