Thanks for this bug report! As it turns out, having world-execute does not give access to performing the shutdown, just to running the command:
$ shutdown -r now shutdown: Need to be root ** Visibility changed to: Public ** This bug is no longer flagged as a security issue ** Changed in: sysvinit (Ubuntu) Assignee: (unassigned) => Kees Cook (kees) Status: New => Invalid -- /sbin/shutdown world execute permissions https://bugs.launchpad.net/bugs/244929 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs