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From:   Matthew Garrett <mjg59@google.com>
Date:   Wed, 04 Apr 2018 00:12:04 +0000
Message-ID: <CACdnJuvuf13VrHfBadvXvVLUQoqjdbwqmnsRHamfDN_O4Ve+kA@mail.gmail.com>
Subject: Re: [GIT PULL] Kernel lockdown for secure boot
To:     Linus Torvalds <torvalds@linux-foundation.org>
Cc:     luto@kernel.org, David Howells <dhowells@redhat.com>,
        Ard Biesheuvel <ard.biesheuvel@linaro.org>, jmorris@namei.org,
        Alan Cox <gnomes@lxorguk.ukuu.org.uk>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        jforbes@redhat.com, linux-man@vger.kernel.org, jlee@suse.com,
        LSM List <linux-security-module@vger.kernel.org>,
        linux-api@vger.kernel.org, Kees Cook <keescook@chromium.org>,
        linux-efi <linux-efi@vger.kernel.org>
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On Tue, Apr 3, 2018 at 5:08 PM Linus Torvalds
<torvalds@linux-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.