/lib/modules/3.16.0-69-generic/vdso/ is in linux-image-3.16.0-69-generic 3.16.0-69.89~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.16.0-69-generic/vdso/.build-id/
/lib/modules/3.16.0-69-generic/vdso/.build-id/13/
/lib/modules/3.16.0-69-generic/vdso/.build-id/13/a2a70c03633025386c03cea161f82d37322c53.debug
/lib/modules/3.16.0-69-generic/vdso/.build-id/18/
/lib/modules/3.16.0-69-generic/vdso/.build-id/18/67b9cd5e5fb7a483d84d4d20d6c55fa883bc6f.debug
/lib/modules/3.16.0-69-generic/vdso/.build-id/2c/
/lib/modules/3.16.0-69-generic/vdso/.build-id/2c/e0a5d75d92476f91609e89d0835fc6c053e9b6.debug
/lib/modules/3.16.0-69-generic/vdso/.build-id/3d/
/lib/modules/3.16.0-69-generic/vdso/.build-id/3d/caf2995139d63b8bb66c35727df70208faa11a.debug
/lib/modules/3.16.0-69-generic/vdso/.build-id/3f/
/lib/modules/3.16.0-69-generic/vdso/.build-id/3f/e891a09bc7f4bdf0ae16e86f17242435a6bdb4.debug
/lib/modules/3.16.0-69-generic/vdso/vdso32-int80.so
/lib/modules/3.16.0-69-generic/vdso/vdso32-syscall.so
/lib/modules/3.16.0-69-generic/vdso/vdso32-sysenter.so
/lib/modules/3.16.0-69-generic/vdso/vdso64.so
/lib/modules/3.16.0-69-generic/vdso/vdsox32.so