/usr/share/icons/oxy-yellow/cursors/03b6e0fcb3499374a867c041f52298f0 is in oxygen-cursor-theme 0.0.2012-06-kde4.8-2.1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/icons/oxy-yellow/cursors/circle