linux-kernel - Re: [PATCH 25/27] Lock down /proc/kcore

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Message-ID: <22790.1508770617@warthog.procyon.org.uk>
Date:   Mon, 23 Oct 2017 15:56:57 +0100
From:   David Howells <dhowells@...hat.com>
To:     James Morris <james.l.morris@...cle.com>
Cc:     dhowells@...hat.com, linux-security-module@...r.kernel.org,
        gnomes@...rguk.ukuu.org.uk, linux-efi@...r.kernel.org,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        jforbes@...hat.com
Subject: Re: [PATCH 25/27] Lock down /proc/kcore

James Morris <james.l.morris@...cle.com> wrote:

> I have to wonder, though, after everything is locked down, how easy will 
> it be for new things to slip in which need to be included in the lockdown, 
> but are not.

That's always a possibility, and short of reviewing every change, particularly
in the drivers, I'm not sure how to prevent it.

David