/lib/modules/3.19.0-58-generic/vdso/ is in linux-image-3.19.0-58-generic 3.19.0-58.64~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.19.0-58-generic/vdso/.build-id/
/lib/modules/3.19.0-58-generic/vdso/.build-id/3b/
/lib/modules/3.19.0-58-generic/vdso/.build-id/3b/9ca85ec197712cbec6ecd062bf7a9ab5f2bbd6.debug
/lib/modules/3.19.0-58-generic/vdso/.build-id/4d/
/lib/modules/3.19.0-58-generic/vdso/.build-id/4d/86dbe9cca648ccd91a32cdec1fe30bd9dae2da.debug
/lib/modules/3.19.0-58-generic/vdso/.build-id/54/
/lib/modules/3.19.0-58-generic/vdso/.build-id/54/db29f5abf88bab3bb05bf8ad82df96d98ab373.debug
/lib/modules/3.19.0-58-generic/vdso/.build-id/6f/
/lib/modules/3.19.0-58-generic/vdso/.build-id/6f/62e18750481cddb1aa1047ba249fc1c92c988a.debug
/lib/modules/3.19.0-58-generic/vdso/.build-id/d6/
/lib/modules/3.19.0-58-generic/vdso/.build-id/d6/4c757938058bf74d1357afaecdc214ac98d033.debug
/lib/modules/3.19.0-58-generic/vdso/vdso32-int80.so
/lib/modules/3.19.0-58-generic/vdso/vdso32-syscall.so
/lib/modules/3.19.0-58-generic/vdso/vdso32-sysenter.so
/lib/modules/3.19.0-58-generic/vdso/vdso64.so
/lib/modules/3.19.0-58-generic/vdso/vdsox32.so