/lib/modules/4.2.0-22-generic/vdso/ is in linux-image-4.2.0-22-generic 4.2.0-22.27~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/4.2.0-22-generic/vdso/.build-id/
/lib/modules/4.2.0-22-generic/vdso/.build-id/01/
/lib/modules/4.2.0-22-generic/vdso/.build-id/01/e8e2bc81b2fda5acd28bc8033ce8d7f8b4c55b.debug
/lib/modules/4.2.0-22-generic/vdso/.build-id/3a/
/lib/modules/4.2.0-22-generic/vdso/.build-id/3a/b5dce5502fdfc4a24cb7378ac46e9081aa802c.debug
/lib/modules/4.2.0-22-generic/vdso/.build-id/49/
/lib/modules/4.2.0-22-generic/vdso/.build-id/49/050ecfd3ae22fe71b51cfa3e12f2b02f0a1ace.debug
/lib/modules/4.2.0-22-generic/vdso/.build-id/53/
/lib/modules/4.2.0-22-generic/vdso/.build-id/53/74a571cb0c910b4e2e65479edf13b4d65bbd89.debug
/lib/modules/4.2.0-22-generic/vdso/.build-id/e0/
/lib/modules/4.2.0-22-generic/vdso/.build-id/e0/5ca0aaefc8004c3dec6f5ae0ea8de323cfe032.debug
/lib/modules/4.2.0-22-generic/vdso/vdso32-int80.so
/lib/modules/4.2.0-22-generic/vdso/vdso32-syscall.so
/lib/modules/4.2.0-22-generic/vdso/vdso32-sysenter.so
/lib/modules/4.2.0-22-generic/vdso/vdso64.so
/lib/modules/4.2.0-22-generic/vdso/vdsox32.so