/lib/modules/3.19.0-73-lowlatency/vdso/ is in linux-image-3.19.0-73-lowlatency 3.19.0-73.81~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.19.0-73-lowlatency/vdso/.build-id/
/lib/modules/3.19.0-73-lowlatency/vdso/.build-id/26/
/lib/modules/3.19.0-73-lowlatency/vdso/.build-id/26/d9b78f48a38a542bd0e8fcec40d513104f640e.debug
/lib/modules/3.19.0-73-lowlatency/vdso/.build-id/b8/
/lib/modules/3.19.0-73-lowlatency/vdso/.build-id/b8/c608c9c8406ea66bf0d8405a6b452bc9a72b7f.debug
/lib/modules/3.19.0-73-lowlatency/vdso/.build-id/d2/
/lib/modules/3.19.0-73-lowlatency/vdso/.build-id/d2/30b202366f6ae4651a3010a7d67081ed2483ce.debug
/lib/modules/3.19.0-73-lowlatency/vdso/.build-id/d5/
/lib/modules/3.19.0-73-lowlatency/vdso/.build-id/d5/b6ef4d8946740e7304118d37df576a883bc07d.debug
/lib/modules/3.19.0-73-lowlatency/vdso/.build-id/df/
/lib/modules/3.19.0-73-lowlatency/vdso/.build-id/df/b86c4d9e5a430614684e40c4006db18a4d6720.debug
/lib/modules/3.19.0-73-lowlatency/vdso/vdso32-int80.so
/lib/modules/3.19.0-73-lowlatency/vdso/vdso32-syscall.so
/lib/modules/3.19.0-73-lowlatency/vdso/vdso32-sysenter.so
/lib/modules/3.19.0-73-lowlatency/vdso/vdso64.so
/lib/modules/3.19.0-73-lowlatency/vdso/vdsox32.so