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    SubjectRe: [RFC][PATCH 0/11] security: AppArmor - Overview
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    On Thu, 2006-04-20 at 12:27 -0700, Chris Wright wrote:
    > * Arjan van de Ven (arjan@infradead.org) wrote:
    > > On Thu, 2006-04-20 at 00:32 +0200, Andi Kleen wrote:
    > > > Arjan van de Ven <arjan@infradead.org> writes:
    > > > >
    > > > > you must have a good defense against that argument, so I'm curious to
    > > > > hear what it is
    > > >
    > > > [I'm not from the apparmor people but my understanding is]
    > > >
    > > > Usually they claimed name spaces as the reason it couldn't work.
    > >
    > > I actually posted a list of 10 things that I made up in 3 minutes; just
    > > going over those 10 would be a good start already since they're the most
    > > obvious ones..
    >
    > Yes, the conversation is all over the place. Many of the issues are
    > about some of the uglier parts of the AppArmor code, but the critical
    > issue is simple. Does their protection model actually protect against
    > their threat model. I would really like to see some grounded examples
    > that show whether it's broken or not.

    Difficult to evaluate, when the answer whenever a flaw is pointed out is
    "that's not in our threat model." Easy enough to have a protection
    model match the threat model when the threat model is highly limited
    (and never really documented anywhere, particularly in a way that might
    warn its users of its limitations).

    --
    Stephen Smalley
    National Security Agency

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