/lib/modules/4.2.0-30-generic/vdso/ is in linux-image-4.2.0-30-generic 4.2.0-30.36~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/4.2.0-30-generic/vdso/.build-id/
/lib/modules/4.2.0-30-generic/vdso/.build-id/1c/
/lib/modules/4.2.0-30-generic/vdso/.build-id/1c/15befa08b42dd492272ea832c10524e3f322a6.debug
/lib/modules/4.2.0-30-generic/vdso/.build-id/23/
/lib/modules/4.2.0-30-generic/vdso/.build-id/23/8d8d9fbbb86a57db9abbf7bfd23df164ec25f0.debug
/lib/modules/4.2.0-30-generic/vdso/.build-id/5c/
/lib/modules/4.2.0-30-generic/vdso/.build-id/5c/6a3a466ad260c52ea5b4b8afe7e4176724d063.debug
/lib/modules/4.2.0-30-generic/vdso/.build-id/c7/
/lib/modules/4.2.0-30-generic/vdso/.build-id/c7/8678d86b28a1e7ef9bbb3616b43a864ca085a9.debug
/lib/modules/4.2.0-30-generic/vdso/.build-id/de/
/lib/modules/4.2.0-30-generic/vdso/.build-id/de/4e6681854576181a8f73dd32a88c8905f175a0.debug
/lib/modules/4.2.0-30-generic/vdso/vdso32-int80.so
/lib/modules/4.2.0-30-generic/vdso/vdso32-syscall.so
/lib/modules/4.2.0-30-generic/vdso/vdso32-sysenter.so
/lib/modules/4.2.0-30-generic/vdso/vdso64.so
/lib/modules/4.2.0-30-generic/vdso/vdsox32.so