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SubjectRe: [kernel-hardening] Re: [PATCH resend 2/2] userns: control capabilities of some user namespaces
Quoting Eric W. Biederman (ebiederm@xmission.com):
> single sandbox. I am not at all certain that the capabilities is the
> proper place to limit code reachability.

Right, I keep having this gut feeling that there is another way we
should be doing that. Maybe based on ksplice or perf, or maybe more
based on subsystems. And I hope someone pursues that. But I can't put
my finger on it, and meanwhile the capability checks obviously *are* in
fact gates...

-serge

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