Aargh--I am setting this to invalid. I installed rkhunter and based on its output was able to discover that an errant script in crontab (not part of the distribution) was damaging the permissions. Sorry!
** Changed in: ubuntu Status: New => Invalid -- sudo, su, and /lib/dhcp3-client/call-dhclient-script spontaneously lost owners, permissions https://bugs.launchpad.net/bugs/173503 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs