I have the same issue (/dev/null and /dev/zero are 660 instead of 666)
** Attachment added: "udevd-output" http://librarian.launchpad.net/6349763/udevd-output -- wrong permissions for /dev/null https://launchpad.net/bugs/83878 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
