From: Paul Moore <paul@paul-moore.com>
To: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
Cc: zohar@linux.ibm.com,
Stephen Smalley <stephen.smalley.work@gmail.com>,
tusharsu@linux.microsoft.com, tyhicks@linux.microsoft.com,
casey@schaufler-ca.com, agk@redhat.com, snitzer@redhat.com,
gmazyland@gmail.com, sashal@kernel.org,
James Morris <jmorris@namei.org>,
linux-integrity@vger.kernel.org, selinux@vger.kernel.org,
linux-security-module@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] selinux: measure state and policy capabilities
Date: Thu, 4 Mar 2021 20:45:41 -0500 [thread overview]
Message-ID: <CAHC9VhT4pnsFTL3N8pZgrgpqzgCU+Odd4V=SGvTA9QcKAGwasw@mail.gmail.com> (raw)
In-Reply-To: <87273030-2303-e791-4e5d-25373faf0880@linux.microsoft.com>
On Thu, Mar 4, 2021 at 2:20 PM Lakshmi Ramasubramanian
<nramas@linux.microsoft.com> wrote:
> On 2/12/21 8:37 AM, Lakshmi Ramasubramanian wrote:
>
> Hi Paul,
>
> > SELinux stores the configuration state and the policy capabilities
> > in kernel memory. Changes to this data at runtime would have an impact
> > on the security guarantees provided by SELinux. Measuring this data
> > through IMA subsystem provides a tamper-resistant way for
> > an attestation service to remotely validate it at runtime.
> >
> > Measure the configuration state and policy capabilities by calling
> > the IMA hook ima_measure_critical_data().
> >
>
> I have addressed your comments on the v2 patch for selinux measurement
> using IMA. Could you please let me know if there are any other comments
> that I need to address in this patch?
The merge window just closed earlier this week, and there were a
handful of bugs that needed to be addressed before I could look at
this patch. If I don't get a chance to review this patch tonight, I
will try to get to it this weekend or early next week.
--
paul moore
www.paul-moore.com
next prev parent reply other threads:[~2021-03-05 1:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-12 16:37 [PATCH v3] selinux: measure state and policy capabilities Lakshmi Ramasubramanian
2021-03-04 19:20 ` Lakshmi Ramasubramanian
2021-03-05 1:45 ` Paul Moore [this message]
2021-03-05 2:16 ` Lakshmi Ramasubramanian
2021-03-05 17:52 ` Paul Moore
2021-03-05 17:57 ` James Bottomley
2021-03-05 19:22 ` Paul Moore
2021-03-05 19:29 ` Lakshmi Ramasubramanian
2021-03-09 0:42 ` Paul Moore
2021-03-09 0:43 ` Lakshmi Ramasubramanian
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