From: Stefan Berger <stefanb@linux.ibm.com>
To: Casey Schaufler <casey@schaufler-ca.com>,
linux-integrity@vger.kernel.org
Cc: zohar@linux.ibm.com, serge@hallyn.com,
christian.brauner@ubuntu.com, containers@lists.linux.dev,
dmitry.kasatkin@gmail.com, ebiederm@xmission.com,
krzysztof.struczynski@huawei.com, roberto.sassu@huawei.com,
mpeters@redhat.com, lhinds@redhat.com, lsturman@redhat.com,
puiterwi@redhat.com, jejb@linux.ibm.com, jamjoom@us.ibm.com,
linux-kernel@vger.kernel.org, paul@paul-moore.com,
rgb@redhat.com, linux-security-module@vger.kernel.org,
jmorris@namei.org, Denis Semakin <denis.semakin@huawei.com>
Subject: Re: [RFC v2 15/19] capabilities: Introduce CAP_INTEGRITY_ADMIN
Date: Fri, 3 Dec 2021 12:39:01 -0500 [thread overview]
Message-ID: <75aca493-e8d6-ab1e-2aaf-9e9a6b183ed7@linux.ibm.com> (raw)
In-Reply-To: <2f145bcf-72a7-3697-0bce-f7a74e6ecc93@schaufler-ca.com>
On 12/3/21 11:40, Casey Schaufler wrote:
> On 12/2/2021 6:31 PM, Stefan Berger wrote:
>> From: Denis Semakin <denis.semakin@huawei.com>
>>
>> This patch introduces CAP_INTEGRITY_ADMIN, a new capability that allows
>> to setup IMA (Integrity Measurement Architecture) policies per container
>> for non-root users.
>>
>> The main purpose of this new capability is discribed in this document:
>> https://kernsec.org/wiki/index.php/IMA_Namespacing_design_considerations
>> It is said: "setting the policy should be possibly without the powerful
>> CAP_SYS_ADMIN and there should be the opportunity to gate this with a
>> new
>> capability CAP_INTEGRITY_ADMIN that allows a user to set the IMA policy
>> during container runtime.."
>>
>> In other words it should be possible to setup IMA policies while not
>> giving too many privilges to the user, therefore splitting the
>> CAP_INTEGRITY_ADMIN off from CAP_SYS_ADMIN.
>
> Please use CAP_MAC_ADMIN, as discussed on the previous submission.
I wasn't clear on consensus. But sure, let's go with CAP_MAC_ADMIN.
Stefan
next prev parent reply other threads:[~2021-12-03 17:39 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-03 2:30 [RFC v2 00/19] ima: Namespace IMA with audit support in IMA-ns Stefan Berger
2021-12-03 2:31 ` [RFC v2 01/19] ima: Add IMA namespace support Stefan Berger
2021-12-03 2:31 ` [RFC v2 02/19] ima: Define ns_status for storing namespaced iint data Stefan Berger
2021-12-03 2:31 ` [RFC v2 03/19] ima: Namespace audit status flags Stefan Berger
2021-12-03 2:31 ` [RFC v2 04/19] ima: Move delayed work queue and variables into ima_namespace Stefan Berger
2021-12-03 2:31 ` [RFC v2 05/19] ima: Move IMA's keys queue related " Stefan Berger
2021-12-03 2:31 ` [RFC v2 06/19] ima: Move policy " Stefan Berger
2021-12-03 2:31 ` [RFC v2 07/19] ima: Move ima_htable " Stefan Berger
2021-12-03 2:31 ` [RFC v2 08/19] ima: Move measurement list related variables " Stefan Berger
2021-12-03 2:31 ` [RFC v2 09/19] ima: Only accept AUDIT rules for IMA non-init_ima_ns namespaces for now Stefan Berger
2021-12-03 2:31 ` [RFC v2 10/19] ima: Implement hierarchical processing of file accesses Stefan Berger
2021-12-03 2:31 ` [RFC v2 11/19] securityfs: Prefix global variables with securityfs_ Stefan Berger
2021-12-03 2:31 ` [RFC v2 12/19] securityfs: Pass static variables as parameters from top level functions Stefan Berger
2021-12-03 2:31 ` [RFC v2 13/19] securityfs: Extend securityfs with namespacing support Stefan Berger
2021-12-03 2:31 ` [RFC v2 14/19] ima: Move some IMA policy and filesystem related variables into ima_namespace Stefan Berger
2021-12-03 2:31 ` [RFC v2 15/19] capabilities: Introduce CAP_INTEGRITY_ADMIN Stefan Berger
2021-12-03 16:40 ` Casey Schaufler
2021-12-03 17:39 ` Stefan Berger [this message]
2021-12-03 2:31 ` [RFC v2 16/19] ima: Use integrity_admin_ns_capable() to check corresponding capability Stefan Berger
2021-12-03 2:31 ` [RFC v2 17/19] userns: Introduce a refcount variable for calling early teardown function Stefan Berger
2021-12-03 2:31 ` [RFC v2 18/19] ima/userns: Define early teardown function for IMA namespace Stefan Berger
2021-12-03 2:31 ` [RFC v2 19/19] ima: Setup securityfs " Stefan Berger
2021-12-03 15:07 ` Stefan Berger
2021-12-03 17:03 ` James Bottomley
2021-12-03 18:06 ` Stefan Berger
2021-12-03 18:50 ` James Bottomley
2021-12-03 19:11 ` Stefan Berger
2021-12-04 0:33 ` Stefan Berger
2021-12-06 11:52 ` Christian Brauner
2021-12-06 4:27 ` James Bottomley
2021-12-06 14:03 ` Stefan Berger
2021-12-06 14:11 ` James Bottomley
2021-12-06 17:22 ` Stefan Berger
2021-12-03 19:37 ` Casey Schaufler
2021-12-06 12:08 ` Christian Brauner
2021-12-06 13:38 ` James Bottomley
2021-12-06 14:13 ` Christian Brauner
2021-12-06 15:44 ` Christian Brauner
2021-12-06 16:25 ` James Bottomley
2021-12-06 14:11 ` Christian Brauner
2021-12-06 14:21 ` James Bottomley
2021-12-06 14:42 ` Christian Brauner
2021-12-06 14:51 ` James Bottomley
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