Messages in this thread | | | Subject | Re: [PATCH v3 4/4] Allow unprivileged chroot when safe | From | Colin Walters <> | Date | Mon, 30 Jan 2012 16:58:54 -0500 |
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On Mon, 2012-01-30 at 08:17 -0800, Andy Lutomirski wrote: > Chroot can easily be used to subvert setuid programs. If no_new_privs, > then setuid programs don't gain any privilege, so allow chroot.
Is this needed/desired by anyone now, or are you just using it to "demo" NO_NEW_PRIVS? I don't see it as very useful on its own, since in any "container"-type chroot you really want /proc and /dev, and your patch doesn't help with that.
System daemons that do chroot for a modicum of security already start privileged, so this doesn't help them either.
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