Messages in this thread | | | Date | Fri, 3 Aug 2012 13:52:10 +0100 | From | "Daniel P. Berrange" <> | Subject | Re: [PATCH] Forbid invocation of kexec_load() outside initial PID namespace |
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On Fri, Aug 03, 2012 at 05:45:40AM -0700, Eric W. Biederman wrote: > The solution is to use user namespaces and to only test ns_capable on the magic reboot path. > > For the 3.7 timeframe that should be a realistic solution.
Hmm, that would imply that if LXC wants to allow reboot()/CAP_SYS_BOOT they will be forced to use CLONE_NEWUSER. I was rather looking for a way to allow the container to keep CAP_SYS_BOOT, without also mandating use of user namespaces.
Regards, Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|
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