From: Tushar Sugandhi <tusharsu@linux.microsoft.com>
To: Mimi Zohar <zohar@linux.ibm.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 v10 5/8] IMA: limit critical data measurement based on a label
Date: Thu, 14 Jan 2021 09:57:27 -0800 [thread overview]
Message-ID: <3105b0b9-4e74-691c-56ab-6ca183cb2038@linux.microsoft.com> (raw)
In-Reply-To: <73a82dff7be151298f51c0db6f3c4996ccf44a19.camel@linux.ibm.com>
On 2021-01-13 6:09 p.m., Mimi Zohar wrote:
> On Thu, 2021-01-07 at 20:07 -0800, Tushar Sugandhi wrote:
>> Integrity critical data may belong to a single subsystem or it may
>> arise from cross subsystem interaction. Currently there is no mechanism
>> to group or limit the data based on certain label. Limiting and
>> grouping critical data based on a label would make it flexible and
>> configurable to measure.
>>
>> Define "label:=", a new IMA policy condition, for the IMA func
>> CRITICAL_DATA to allow grouping and limiting measurement of integrity
>> critical data.
>>
>> Limit the measurement to the labels that are specified in the IMA
>> policy - CRITICAL_DATA+"label:=". If "label:=" is not provided with
>> the func CRITICAL_DATA, measure all the input integrity critical data.
>>
>> Signed-off-by: Tushar Sugandhi <tusharsu@linux.microsoft.com>
>> Reviewed-by: Tyler Hicks <tyhicks@linux.microsoft.com>
>
> This is looking a lot better.
>
> thanks,
>
> Mimi
>
Thanks a lot for the feedback Mimi.
Appreciate it. :)
~Tushar
next prev parent reply other threads:[~2021-01-14 17:58 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-08 4:07 [PATCH v10 0/8] IMA: support for measuring kernel integrity critical data Tushar Sugandhi
2021-01-08 4:07 ` [PATCH v10 1/8] IMA: generalize keyring specific measurement constructs Tushar Sugandhi
2021-01-08 4:07 ` [PATCH v10 2/8] IMA: add support to measure buffer data hash Tushar Sugandhi
2021-01-08 4:07 ` [PATCH v10 3/8] IMA: define a hook to measure kernel integrity critical data Tushar Sugandhi
2021-01-08 4:07 ` [PATCH v10 4/8] IMA: add policy rule to measure " Tushar Sugandhi
2021-01-08 4:07 ` [PATCH v10 5/8] IMA: limit critical data measurement based on a label Tushar Sugandhi
2021-01-14 2:09 ` Mimi Zohar
2021-01-14 17:57 ` Tushar Sugandhi [this message]
2021-01-08 4:07 ` [PATCH v10 6/8] IMA: extend critical data hook to limit the " Tushar Sugandhi
2021-01-08 4:07 ` [PATCH v10 7/8] IMA: define a builtin critical data measurement policy Tushar Sugandhi
2021-01-08 4:07 ` [PATCH v10 8/8] selinux: include a consumer of the new IMA critical data hook Tushar Sugandhi
2021-01-12 16:27 ` Paul Moore
2021-01-12 18:25 ` Lakshmi Ramasubramanian
2021-01-13 19:13 ` Mimi Zohar
2021-01-13 19:19 ` Paul Moore
2021-01-13 21:11 ` Mimi Zohar
2021-01-13 22:10 ` Paul Moore
2021-01-13 23:10 ` Mimi Zohar
2021-01-14 2:40 ` Paul Moore
2021-01-14 2:49 ` Mimi Zohar
2021-01-14 16:22 ` Lakshmi Ramasubramanian
2021-01-14 16:44 ` Mimi Zohar
2021-01-14 16:50 ` Mimi Zohar
2021-01-14 17:48 ` Lakshmi Ramasubramanian
2021-01-14 19:21 ` Lakshmi Ramasubramanian
2021-01-14 16:51 ` Paul Moore
2021-01-15 12:54 ` [PATCH v10 0/8] IMA: support for measuring kernel integrity critical data Mimi Zohar
2021-01-15 17:26 ` Tushar Sugandhi
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