Messages in this thread | | | Date | Thu, 9 Nov 2017 22:46:46 -0600 | From | "Serge E. Hallyn" <> | Subject | Re: [kernel-hardening] Re: [PATCH resend 2/2] userns: control capabilities of some user namespaces |
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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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