/lib/modules/3.16.0-37-generic/vdso/ is in linux-image-3.16.0-37-generic 3.16.0-37.51~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.16.0-37-generic/vdso/.build-id/
/lib/modules/3.16.0-37-generic/vdso/.build-id/75/
/lib/modules/3.16.0-37-generic/vdso/.build-id/75/66a099bac77fe363d74667d923cbbb56b44e15.debug
/lib/modules/3.16.0-37-generic/vdso/.build-id/97/
/lib/modules/3.16.0-37-generic/vdso/.build-id/97/4d3467cd01921e84e3ab043f00896dcf55ebaf.debug
/lib/modules/3.16.0-37-generic/vdso/.build-id/9e/
/lib/modules/3.16.0-37-generic/vdso/.build-id/9e/ecd76001bae5366a65b13065f5bf988c2a52db.debug
/lib/modules/3.16.0-37-generic/vdso/.build-id/b6/
/lib/modules/3.16.0-37-generic/vdso/.build-id/b6/14026c1f2e57264d3cc6cb89db1ea5ada41a53.debug
/lib/modules/3.16.0-37-generic/vdso/.build-id/ef/
/lib/modules/3.16.0-37-generic/vdso/.build-id/ef/a4172e98fe6c90166bc69e025ff58d9e646cc1.debug
/lib/modules/3.16.0-37-generic/vdso/vdso32-int80.so
/lib/modules/3.16.0-37-generic/vdso/vdso32-syscall.so
/lib/modules/3.16.0-37-generic/vdso/vdso32-sysenter.so
/lib/modules/3.16.0-37-generic/vdso/vdso64.so
/lib/modules/3.16.0-37-generic/vdso/vdsox32.so