/lib/modules/3.19.0-80-generic/vdso/ is in linux-image-3.19.0-80-generic 3.19.0-80.88~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.19.0-80-generic/vdso/.build-id/
/lib/modules/3.19.0-80-generic/vdso/.build-id/4b/
/lib/modules/3.19.0-80-generic/vdso/.build-id/4b/5711e500fe4de5bb6881cf8f2b5d2e190ce8b6.debug
/lib/modules/3.19.0-80-generic/vdso/.build-id/4c/
/lib/modules/3.19.0-80-generic/vdso/.build-id/4c/526ec81b4c5a507d6ed8bc3c73687c3fe6c182.debug
/lib/modules/3.19.0-80-generic/vdso/.build-id/6d/
/lib/modules/3.19.0-80-generic/vdso/.build-id/6d/1093e2beec8dbd6a9066b9289371c47b79bfe5.debug
/lib/modules/3.19.0-80-generic/vdso/.build-id/99/
/lib/modules/3.19.0-80-generic/vdso/.build-id/99/e5fa2870ff44d0218ca6add0a9d003f44f267c.debug
/lib/modules/3.19.0-80-generic/vdso/.build-id/fd/
/lib/modules/3.19.0-80-generic/vdso/.build-id/fd/7f47a6066303021b1e0751e364451b5a81998a.debug
/lib/modules/3.19.0-80-generic/vdso/vdso32-int80.so
/lib/modules/3.19.0-80-generic/vdso/vdso32-syscall.so
/lib/modules/3.19.0-80-generic/vdso/vdso32-sysenter.so
/lib/modules/3.19.0-80-generic/vdso/vdso64.so
/lib/modules/3.19.0-80-generic/vdso/vdsox32.so