/lib/modules/3.19.0-73-generic/vdso/ is in linux-image-3.19.0-73-generic 3.19.0-73.81~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.19.0-73-generic/vdso/.build-id/
/lib/modules/3.19.0-73-generic/vdso/.build-id/0e/
/lib/modules/3.19.0-73-generic/vdso/.build-id/0e/84592168c555f86ae36b61a0b38aa2638125d8.debug
/lib/modules/3.19.0-73-generic/vdso/.build-id/1a/
/lib/modules/3.19.0-73-generic/vdso/.build-id/1a/104acfb566f3bb5a38bf655b34e4a8db5fc2b1.debug
/lib/modules/3.19.0-73-generic/vdso/.build-id/71/
/lib/modules/3.19.0-73-generic/vdso/.build-id/71/693917ede63ff93f58281f0b6c39935db1536d.debug
/lib/modules/3.19.0-73-generic/vdso/.build-id/84/
/lib/modules/3.19.0-73-generic/vdso/.build-id/84/e5420eb10ceee5ebd7a5d3ade43a71b533e482.debug
/lib/modules/3.19.0-73-generic/vdso/.build-id/da/
/lib/modules/3.19.0-73-generic/vdso/.build-id/da/967aebbf468703b9bd3bf88be8304bb1f55a26.debug
/lib/modules/3.19.0-73-generic/vdso/vdso32-int80.so
/lib/modules/3.19.0-73-generic/vdso/vdso32-syscall.so
/lib/modules/3.19.0-73-generic/vdso/vdso32-sysenter.so
/lib/modules/3.19.0-73-generic/vdso/vdso64.so
/lib/modules/3.19.0-73-generic/vdso/vdsox32.so