/lib/modules/3.19.0-31-lowlatency/vdso/ is in linux-image-3.19.0-31-lowlatency 3.19.0-31.36~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.19.0-31-lowlatency/vdso/.build-id/
/lib/modules/3.19.0-31-lowlatency/vdso/.build-id/91/
/lib/modules/3.19.0-31-lowlatency/vdso/.build-id/91/734ec0f707995ab5ad630fcf51753137ae1478.debug
/lib/modules/3.19.0-31-lowlatency/vdso/.build-id/a8/
/lib/modules/3.19.0-31-lowlatency/vdso/.build-id/a8/75ee0a1c2df5697b03e15c042f14616e8d503e.debug
/lib/modules/3.19.0-31-lowlatency/vdso/.build-id/b3/
/lib/modules/3.19.0-31-lowlatency/vdso/.build-id/b3/ace6d6b75f109ef11efc03f50550bc654ae5bd.debug
/lib/modules/3.19.0-31-lowlatency/vdso/.build-id/ce/
/lib/modules/3.19.0-31-lowlatency/vdso/.build-id/ce/2a663da406d8c134b3cd3aa136ca6abf2ad3b3.debug
/lib/modules/3.19.0-31-lowlatency/vdso/.build-id/f4/
/lib/modules/3.19.0-31-lowlatency/vdso/.build-id/f4/a019e1a7a3e0c2aae7e7584217c46561b001ea.debug
/lib/modules/3.19.0-31-lowlatency/vdso/vdso32-int80.so
/lib/modules/3.19.0-31-lowlatency/vdso/vdso32-syscall.so
/lib/modules/3.19.0-31-lowlatency/vdso/vdso32-sysenter.so
/lib/modules/3.19.0-31-lowlatency/vdso/vdso64.so
/lib/modules/3.19.0-31-lowlatency/vdso/vdsox32.so