From: james.l.morris@oracle.com (James Morris)
To: linux-security-module@vger.kernel.org
Subject: [PATCH V3 2/2] IMA: Support using new creds in appraisal policy
Date: Thu, 26 Oct 2017 11:11:09 +0200 (CEST) [thread overview]
Message-ID: <alpine.LFD.2.20.1710261110260.14992@localhost> (raw)
In-Reply-To: <20171026084055.25482-2-mjg59@google.com>
On Thu, 26 Oct 2017, Matthew Garrett wrote:
> The existing BPRM_CHECK functionality in IMA validates against the
> credentials of the existing process, not any new credentials that the
> child process may transition to. Add an additional CREDS_CHECK target
> and refactor IMA to pass the appropriate creds structure. In
> ima_bprm_check(), check with both the existing process credentials and
> the credentials that will be committed when the new process is started.
> This will not change behaviour unless the system policy is extended to
> include CREDS_CHECK targets - BPRM_CHECK will continue to check the same
> credentials that it did previously.
>
> Signed-off-by: Matthew Garrett <mjg59@google.com>
Reviewed-by: James Morris <james.l.morris@oracle.com>
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James Morris
<james.l.morris@oracle.com>
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next prev parent reply other threads:[~2017-10-26 9:11 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-26 8:40 [PATCH V3 1/2] security: Add a cred_getsecid hook Matthew Garrett
2017-10-26 8:40 ` [PATCH V3 2/2] IMA: Support using new creds in appraisal policy Matthew Garrett
2017-10-26 9:11 ` James Morris [this message]
2017-11-28 20:48 ` Mimi Zohar
2017-11-28 21:22 ` Matthew Garrett
2017-11-28 21:35 ` Mimi Zohar
2017-11-28 21:37 ` Matthew Garrett
2017-11-28 22:33 ` Mimi Zohar
2017-12-15 22:24 ` Matthew Garrett
2017-12-15 22:35 ` Matthew Garrett
2017-12-18 15:39 ` Mimi Zohar
2017-10-26 9:04 ` [PATCH V3 1/2] security: Add a cred_getsecid hook James Morris
2017-10-26 13:21 ` Casey Schaufler
2017-10-30 10:54 ` Matthew Garrett
2017-10-26 14:20 ` Stephen Smalley
2017-10-30 10:57 ` Matthew Garrett
2017-10-30 17:03 ` Stephen Smalley
2017-11-14 19:42 ` Matthew Garrett
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