/lib/modules/3.2.0-23-generic/initrd/vesafb.ko is in linux-image-3.2.0-23-generic 3.2.0-23.36.
This file is owned by root:root, with mode 0o644.
It is a symlink to /lib/modules/3.2.0-23-generic/initrd/./lib/modules/3.2.0-23-generic/kernel/drivers/video/vesafb.ko