linux-kernel - Re: [PATCH] x86/ima: require signed kernel modules

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Message-Id: <422fd184-8766-4718-d302-db68ed7b90ec@linux.vnet.ibm.com>
Date:   Tue, 5 Feb 2019 11:10:49 -0500
From:   Nayna <nayna@...ux.vnet.ibm.com>
To:     Mimi Zohar <zohar@...ux.ibm.com>, linux-integrity@...r.kernel.org
Cc:     linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jessica Yu <jeyu@...nel.org>,
        Luis Chamberlain <mcgrof@...nel.org>,
        David Howells <dhowells@...hat.com>,
        Seth Forshee <seth.forshee@...onical.com>,
        Justin Forbes <jforbes@...hat.com>,
        Matthew Garrett <mjg59@...gle.com>
Subject: Re: [PATCH] x86/ima: require signed kernel modules



On 01/31/2019 02:18 PM, Mimi Zohar wrote:
> Require signed kernel modules on systems with secure boot mode enabled.
>
> To coordinate between appended kernel module signatures and IMA
> signatures, only define an IMA MODULE_CHECK policy rule if
> CONFIG_MODULE_SIG is not enabled.
>
> This patch defines a function named set_module_sig_required() and renames
> is_module_sig_enforced() to is_module_sig_enforced_or_required().  The
> call to set_module_sig_required() is dependent on CONFIG_IMA_ARCH_POLICY
> being enabled.
>
> Signed-off-by: Mimi Zohar <zohar@...ux.ibm.com>
> ---
>

Reviewed-by: Nayna Jain <nayna@...ux.ibm.com>

Thanks & Regards,
      - Nayna