linux-kernel - Re: [GIT PULL] Kernel lockdown for secure boot

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Date:   Wed, 04 Apr 2018 00:12:04 +0000
From:   Matthew Garrett <mjg59@...gle.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     luto@...nel.org, David Howells <dhowells@...hat.com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>, jmorris@...ei.org,
        Alan Cox <gnomes@...rguk.ukuu.org.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        jforbes@...hat.com, linux-man@...r.kernel.org, jlee@...e.com,
        LSM List <linux-security-module@...r.kernel.org>,
        linux-api@...r.kernel.org, Kees Cook <keescook@...omium.org>,
        linux-efi <linux-efi@...r.kernel.org>
Subject: Re: [GIT PULL] Kernel lockdown for secure boot

On Tue, Apr 3, 2018 at 5:08 PM Linus Torvalds
<torvalds@...ux-foundation.org>
wrote:
> Still better than telling them to disable/enable secure boot, which
> they may or may not even be able to to.

Users who can boot a non-vendor Linux distribution on their platform can
disable Secure Boot 100% of the time.