/lib/modules/3.19.0-39-generic/vdso/ is in linux-image-3.19.0-39-generic 3.19.0-39.44~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.19.0-39-generic/vdso/.build-id/
/lib/modules/3.19.0-39-generic/vdso/.build-id/52/
/lib/modules/3.19.0-39-generic/vdso/.build-id/52/61a5eacb7f88eeaecfb4aeb2c7deda718b80df.debug
/lib/modules/3.19.0-39-generic/vdso/.build-id/61/
/lib/modules/3.19.0-39-generic/vdso/.build-id/61/4e9f9eb86c588dd925d488e258a9d1ac3b11eb.debug
/lib/modules/3.19.0-39-generic/vdso/.build-id/cd/
/lib/modules/3.19.0-39-generic/vdso/.build-id/cd/6c824298ed33c2e3e91b5ed8ddd7868d1f0fb5.debug
/lib/modules/3.19.0-39-generic/vdso/.build-id/e3/
/lib/modules/3.19.0-39-generic/vdso/.build-id/e3/962acb137d739217ca24ff820c72b83f756ab2.debug
/lib/modules/3.19.0-39-generic/vdso/.build-id/f9/
/lib/modules/3.19.0-39-generic/vdso/.build-id/f9/813615c79d3b169bf2755601601128e0ff6b95.debug
/lib/modules/3.19.0-39-generic/vdso/vdso32-int80.so
/lib/modules/3.19.0-39-generic/vdso/vdso32-syscall.so
/lib/modules/3.19.0-39-generic/vdso/vdso32-sysenter.so
/lib/modules/3.19.0-39-generic/vdso/vdso64.so
/lib/modules/3.19.0-39-generic/vdso/vdsox32.so