Re: [kernel-hardening] Re: [PATCH resend 2/2] userns: control capabilities of some user namespaces

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Quoting Eric W. Biederman (ebiederm@xxxxxxxxxxxx):
> 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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