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From:   Daniil Lunev <dlunev@chromium.org>
Date:   Thu, 4 Aug 2022 09:38:36 +1000
Message-ID: <CAONX=-e1NcUmJEzajkpCsOVYOfmfMmKKfOB0Bp6UTag3G77yAQ@mail.gmail.com>
Subject: Re: [dm-devel] [PATCH 1/1] dm: add message command to disallow device open
To:     Eric Biggers <ebiggers@kernel.org>
Cc:     Zdenek Kabelac <zdenek.kabelac@gmail.com>,
        Brian Geffon <bgeffon@google.com>,
        Mike Snitzer <snitzer@kernel.org>,
        linux-kernel@vger.kernel.org, dm-devel@redhat.com,
        Mikulas Patocka <mpatocka@redhat.com>,
        Alasdair Kergon <agk@redhat.com>
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> I thought you were trying to defend against path traversal attacks, not
> arbitrary code execution?  If your threat model includes arbitrary code
> execution by root, you really need to be using SELinux.
Hm, this is actually a very good point which we somehow missed, hm.
Thanks for pointing that out, let me think on that