linux-kernel - Re: [PATCH v2] ima: instantiate the bprm_creds_for

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Message-ID: <2a449edc-a642-4e6b-a55f-2eb03e5b15ce@linux.ibm.com>
Date: Thu, 5 Dec 2024 10:44:23 -0500
From: Stefan Berger <stefanb@...ux.ibm.com>
To: Mimi Zohar <zohar@...ux.ibm.com>, linux-integrity@...r.kernel.org
Cc: Mickaël Salaün <mic@...ikod.net>,
        roberto.sassu@...wei.com, linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jeff Xu <jeffxu@...omium.org>,
        Kees Cook <kees@...nel.org>, Paul Moore <paul@...l-moore.com>,
        audit@...r.kernel.org
Subject: Re: [PATCH v2] ima: instantiate the bprm_creds_for_exec() hook



On 12/3/24 6:34 PM, Mimi Zohar wrote:
> Like direct file execution (e.g. ./script.sh), indirect file exection
> (e.g. sh script.sh) needs to be measured and appraised.  Instantiate
> the new security_bprm_creds_for_exec() hook to measure and verify the
> indirect file's integrity.  Unlike direct file execution, indirect file
> execution is optionally enforced by the interpreter.
> 
> Differentiate kernel and userspace enforced integrity audit messages.
> 
> Signed-off-by: Roberto Sassu <roberto.sassu@...wei.com>
> Signed-off-by: Mimi Zohar <zohar@...ux.ibm.com>

Tested-by: Stefan Berger <stefanb@...ux.ibm.com>