/lib/modules/3.19.0-33-generic/vdso/ is in linux-image-3.19.0-33-generic 3.19.0-33.38~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.19.0-33-generic/vdso/.build-id/
/lib/modules/3.19.0-33-generic/vdso/.build-id/05/
/lib/modules/3.19.0-33-generic/vdso/.build-id/05/f0e8a80d6d81d65dbe8ea8871ec3285618827d.debug
/lib/modules/3.19.0-33-generic/vdso/.build-id/3a/
/lib/modules/3.19.0-33-generic/vdso/.build-id/3a/a714083e1d7d719d6c5a7b1a4a8d3649727cb8.debug
/lib/modules/3.19.0-33-generic/vdso/.build-id/41/
/lib/modules/3.19.0-33-generic/vdso/.build-id/41/2b91520f6728cea549c36a6372ef575aa978df.debug
/lib/modules/3.19.0-33-generic/vdso/.build-id/5c/
/lib/modules/3.19.0-33-generic/vdso/.build-id/5c/f8acce04f58b68112d2abfdb216119043c8aa2.debug
/lib/modules/3.19.0-33-generic/vdso/.build-id/91/
/lib/modules/3.19.0-33-generic/vdso/.build-id/91/f8a52a7a0f504058a98b8325f470838f7ec52d.debug
/lib/modules/3.19.0-33-generic/vdso/vdso32-int80.so
/lib/modules/3.19.0-33-generic/vdso/vdso32-syscall.so
/lib/modules/3.19.0-33-generic/vdso/vdso32-sysenter.so
/lib/modules/3.19.0-33-generic/vdso/vdso64.so
/lib/modules/3.19.0-33-generic/vdso/vdsox32.so