From: Mimi Zohar <zohar@linux.ibm.com>
To: Tushar Sugandhi <tusharsu@linux.microsoft.com>,
stephen.smalley.work@gmail.com, casey@schaufler-ca.com,
agk@redhat.com, snitzer@redhat.com, gmazyland@gmail.com,
paul@paul-moore.com
Cc: tyhicks@linux.microsoft.com, sashal@kernel.org,
jmorris@namei.org, nramas@linux.microsoft.com,
linux-integrity@vger.kernel.org, selinux@vger.kernel.org,
linux-security-module@vger.kernel.org,
linux-kernel@vger.kernel.org, dm-devel@redhat.com
Subject: Re: [PATCH v6 8/8] selinux: measure state and hash of the policy using IMA
Date: Fri, 20 Nov 2020 10:49:20 -0500 [thread overview]
Message-ID: <4634c6c12b2452849f73ed2d5a4d168707e0ac9a.camel@linux.ibm.com> (raw)
In-Reply-To: <20201119232611.30114-9-tusharsu@linux.microsoft.com>
Hi Tushar, Lakshmi,
On Thu, 2020-11-19 at 15:26 -0800, Tushar Sugandhi wrote:
> From: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
>
> IMA measures files and buffer data such as keys, command line arguments
> passed to the kernel on kexec system call, etc. While these measurements
> enable monitoring and validating the integrity of the system, it is not
> sufficient.
The above paragraph would make a good cover letter introduction.
> In-memory data structures maintained by various kernel
> components store the current state and policies configured for
> the components.
Various data structures, policies and state stored in kernel memory
also impact the integrity of the system.
The 2nd paragraph could provide examples of such integrity critical
data.
This patch set introduces a new IMA hook named
ima_measure_critical_data() to measure kernel integrity critical data.
thanks,
Mimi
next prev parent reply other threads:[~2020-11-20 15:49 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-19 23:26 [PATCH v6 0/8] IMA: support for measuring kernel integrity critical data Tushar Sugandhi
2020-11-19 23:26 ` [PATCH v6 1/8] IMA: generalize keyring specific measurement constructs Tushar Sugandhi
2020-11-19 23:26 ` [PATCH v6 2/8] IMA: add support to measure buffer data hash Tushar Sugandhi
2020-11-19 23:26 ` [PATCH v6 3/8] IMA: define a hook to measure kernel integrity critical data Tushar Sugandhi
2020-11-19 23:26 ` [PATCH v6 4/8] IMA: add policy rule to measure " Tushar Sugandhi
2020-11-19 23:26 ` [PATCH v6 5/8] IMA: extend policy to add data sources as a critical data measurement constraint Tushar Sugandhi
2020-11-19 23:26 ` [PATCH v6 6/8] IMA: add support to critical data hook to limit data sources for measurement Tushar Sugandhi
2020-11-19 23:26 ` [PATCH v6 7/8] IMA: add a built-in policy rule for critical data measurement Tushar Sugandhi
2020-11-20 14:30 ` Mimi Zohar
2020-11-20 23:33 ` Lakshmi Ramasubramanian
2020-11-19 23:26 ` [PATCH v6 8/8] selinux: measure state and hash of the policy using IMA Tushar Sugandhi
2020-11-20 15:49 ` Mimi Zohar [this message]
2020-11-20 23:40 ` Lakshmi Ramasubramanian
2020-11-21 2:05 ` James Morris
2020-11-23 19:37 ` Tushar Sugandhi
2020-11-20 12:46 ` [PATCH v6 0/8] IMA: support for measuring kernel integrity critical data Pavel Machek
2020-11-22 20:53 ` Tushar Sugandhi
2020-11-22 21:00 ` Pavel Machek
2020-11-23 13:41 ` Mimi Zohar
2020-11-23 17:18 ` Pavel Machek
2020-11-23 19:49 ` Mimi Zohar
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