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Message-ID: <9b93e099fc6ee2a56d70ed338cd79f2c1ddcffa5.camel@linux.ibm.com>
Date: Tue, 21 Dec 2021 18:28:31 -0500
From: Mimi Zohar <zohar@...ux.ibm.com>
To: "Lee, Chun-Yi" <joeyli.kernel@...il.com>,
James Morris <jmorris@...ei.org>
Cc: Eric Snowberg <eric.snowberg@...cle.com>,
David Howells <dhowells@...hat.com>,
linux-security-module@...r.kernel.org,
linux-kernel@...r.kernel.org, "Lee, Chun-Yi" <jlee@...e.com>
Subject: Re: [PATCH] integrity: Do not load MOK and MOKx when secure boot be
disabled
On Sat, 2021-12-18 at 10:09 +0800, Lee, Chun-Yi wrote:
> The security of Machine Owner Key (MOK) relies on secure boot. When
> secure boot is disabled, EFI firmware will not verify binary code. Then
> arbitrary efi binary code can modify MOK when rebooting.
>
> This patch prevents MOK/MOKx be loaded when secure boot be disabled.
>
> Signed-off-by: "Lee, Chun-Yi" <jlee@...e.com>
Thanks, Joey!
This patch is now queued in the next-integrity-testing branch waiting
further review/tags.
Mimi
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