From: Mimi Zohar <zohar@linux.vnet.ibm.com>
To: "Magalhaes,
Guilherme (Brazil R&D-CL)" <guilherme.magalhaes@hpe.com>,
"Serge E. Hallyn" <serge@hallyn.com>
Cc: Mehmet Kayaalp <mkayaalp@cs.binghamton.edu>,
Yuqiong Sun <sunyuqiong1988@gmail.com>,
containers <containers@lists.linux-foundation.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
David Safford <david.safford@ge.com>,
James Bottomley <James.Bottomley@HansenPartnership.com>,
linux-security-module <linux-security-module@vger.kernel.org>,
ima-devel <linux-ima-devel@lists.sourceforge.net>,
Yuqiong Sun <suny@us.ibm.com>
Subject: Re: [Linux-ima-devel] [RFC PATCH 1/5] ima: extend clone() with IMA namespace support
Date: Mon, 31 Jul 2017 07:31:58 -0400 [thread overview]
Message-ID: <1501500718.9230.85.camel@linux.vnet.ibm.com> (raw)
In-Reply-To: <TU4PR84MB03025BC4B8DEC44A0D63A298FFBF0@TU4PR84MB0302.NAMPRD84.PROD.OUTLOOK.COM>
On Fri, 2017-07-28 at 14:19 +0000, Magalhaes, Guilherme (Brazil R&D-
CL) wrote:
> > > Each measurement entry in the list could have new fields to identify
> > > the namespace. Since the namespaces can be reused, a timestamp or
> > > others fields could be added to uniquely identify the namespace id.
> >
> > The more fields included in the measurement list, the more
> > measurements will be added to the measurement list. Wouldn't it be
> > enough to know that a certain file has been accessed/executed on the
> > system and base any analytics/forensics on the IMA-audit data.
>
> With the recursive application of policy through the namespace hierarchy,
> a measurement added to the parent namespace could be misleading since
> the file pathname makes sense in the current namespace but possibly not
> for the parent namespace.
Fair enough.
> This is the reason why I believe some new field
> might be needed in the IMA template format to indicate or uniquely
> identify the namespace.
I would probably include information to uniquely identify the file
(eg. UUID, mountpoint), not the namespace.
Mimi
next prev parent reply other threads:[~2017-07-31 11:32 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-20 22:50 [RFC PATCH 0/5] ima: namespacing IMA audit messages Mehmet Kayaalp
2017-07-20 22:50 ` [RFC PATCH 1/5] ima: extend clone() with IMA namespace support Mehmet Kayaalp
2017-07-25 17:53 ` Serge E. Hallyn
2017-07-25 18:49 ` James Bottomley
2017-07-25 19:04 ` Serge E. Hallyn
2017-07-25 19:08 ` James Bottomley
2017-07-25 19:48 ` Mimi Zohar
2017-07-25 20:11 ` Stefan Berger
2017-07-25 20:46 ` Serge E. Hallyn
2017-07-25 20:57 ` Mimi Zohar
2017-07-25 21:08 ` Serge E. Hallyn
2017-07-25 21:28 ` Mimi Zohar
2017-07-27 12:51 ` [Linux-ima-devel] " Magalhaes, Guilherme (Brazil R&D-CL)
2017-07-27 14:39 ` Mimi Zohar
2017-07-27 17:18 ` Magalhaes, Guilherme (Brazil R&D-CL)
2017-07-27 17:49 ` Stefan Berger
2017-07-27 19:39 ` Magalhaes, Guilherme (Brazil R&D-CL)
2017-07-27 20:51 ` Stefan Berger
2017-07-28 14:19 ` Magalhaes, Guilherme (Brazil R&D-CL)
2017-07-31 11:31 ` Mimi Zohar [this message]
2017-07-25 21:35 ` Stefan Berger
2018-03-08 14:04 ` Stefan Berger
2018-03-09 2:59 ` Serge E. Hallyn
2018-03-09 13:52 ` Stefan Berger
2018-03-11 22:58 ` James Morris
2018-03-13 18:02 ` Stefan Berger
2018-03-13 21:51 ` James Morris
2017-07-25 20:31 ` James Bottomley
2017-07-25 20:47 ` Mimi Zohar
2018-03-08 13:39 ` Stefan Berger
2018-03-08 20:19 ` Serge E. Hallyn
[not found] ` <a6ef5679-6aef-21de-7cdb-48e8af83f874@linux.vnet.ibm.com>
2018-03-08 23:31 ` Serge E. Hallyn
2017-07-20 22:50 ` [RFC PATCH 2/5] ima: Add ns_status for storing namespaced iint data Mehmet Kayaalp
2017-07-25 19:43 ` Serge E. Hallyn
2017-07-25 20:15 ` Mimi Zohar
2017-07-25 20:25 ` Stefan Berger
2017-07-25 20:49 ` Serge E. Hallyn
2017-08-11 15:00 ` Stefan Berger
2017-07-20 22:50 ` [RFC PATCH 3/5] ima: mamespace audit status flags Mehmet Kayaalp
2017-08-01 17:17 ` Tycho Andersen
2017-08-01 17:25 ` Mehmet Kayaalp
2017-08-02 21:48 ` Tycho Andersen
2017-07-20 22:50 ` [RFC PATCH 4/5] ima: differentiate auditing policy rules from "audit" actions Mehmet Kayaalp
2017-07-20 22:50 ` [RFC PATCH 5/5] ima: Add ns_mnt, dev, ino fields to IMA audit measurement msgs Mehmet Kayaalp
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