/lib/modules/3.16.0-39-generic/vdso/ is in linux-image-3.16.0-39-generic 3.16.0-39.53~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.16.0-39-generic/vdso/.build-id/
/lib/modules/3.16.0-39-generic/vdso/.build-id/19/
/lib/modules/3.16.0-39-generic/vdso/.build-id/19/f60faccf784ba6f68ee848bab509ff2443f5cd.debug
/lib/modules/3.16.0-39-generic/vdso/.build-id/3b/
/lib/modules/3.16.0-39-generic/vdso/.build-id/3b/23300b0037b71a169a847dedd431e85f8c4c86.debug
/lib/modules/3.16.0-39-generic/vdso/.build-id/c1/
/lib/modules/3.16.0-39-generic/vdso/.build-id/c1/9af7ec91c8d63fd9e9e1602305e3b4191d3954.debug
/lib/modules/3.16.0-39-generic/vdso/.build-id/e4/
/lib/modules/3.16.0-39-generic/vdso/.build-id/e4/5a2e3ae8718bd0ac1f24f6574177c7b7c4a073.debug
/lib/modules/3.16.0-39-generic/vdso/.build-id/eb/
/lib/modules/3.16.0-39-generic/vdso/.build-id/eb/3be298d765eb8be05c6d36142e1009e58233fd.debug
/lib/modules/3.16.0-39-generic/vdso/vdso32-int80.so
/lib/modules/3.16.0-39-generic/vdso/vdso32-syscall.so
/lib/modules/3.16.0-39-generic/vdso/vdso32-sysenter.so
/lib/modules/3.16.0-39-generic/vdso/vdso64.so
/lib/modules/3.16.0-39-generic/vdso/vdsox32.so