/lib/modules/3.19.0-37-generic/vdso/ is in linux-image-3.19.0-37-generic 3.19.0-37.42~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.19.0-37-generic/vdso/.build-id/
/lib/modules/3.19.0-37-generic/vdso/.build-id/3a/
/lib/modules/3.19.0-37-generic/vdso/.build-id/3a/0d9829e0197b9e946bf3becccc7ef58fc4de00.debug
/lib/modules/3.19.0-37-generic/vdso/.build-id/54/
/lib/modules/3.19.0-37-generic/vdso/.build-id/54/90e35467a2dff0a1e44878b37b31efbcd4dda2.debug
/lib/modules/3.19.0-37-generic/vdso/.build-id/6d/
/lib/modules/3.19.0-37-generic/vdso/.build-id/6d/60c1ae4d6be929fc8f057df5e34ad47a4069b7.debug
/lib/modules/3.19.0-37-generic/vdso/.build-id/be/
/lib/modules/3.19.0-37-generic/vdso/.build-id/be/09177544209e698c106f30eb71101634b84ba0.debug
/lib/modules/3.19.0-37-generic/vdso/.build-id/ed/
/lib/modules/3.19.0-37-generic/vdso/.build-id/ed/91c915e994634c8b3faf620c623387b588be4e.debug
/lib/modules/3.19.0-37-generic/vdso/vdso32-int80.so
/lib/modules/3.19.0-37-generic/vdso/vdso32-syscall.so
/lib/modules/3.19.0-37-generic/vdso/vdso32-sysenter.so
/lib/modules/3.19.0-37-generic/vdso/vdso64.so
/lib/modules/3.19.0-37-generic/vdso/vdsox32.so