/lib/modules/3.19.0-74-generic/vdso/ is in linux-image-3.19.0-74-generic 3.19.0-74.82~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.19.0-74-generic/vdso/.build-id/
/lib/modules/3.19.0-74-generic/vdso/.build-id/5e/
/lib/modules/3.19.0-74-generic/vdso/.build-id/5e/0401694ef4d3aa876dd241e9c9c1d202b49416.debug
/lib/modules/3.19.0-74-generic/vdso/.build-id/61/
/lib/modules/3.19.0-74-generic/vdso/.build-id/61/6ccd576979c32f4f9e19eacdca7f12c1efe075.debug
/lib/modules/3.19.0-74-generic/vdso/.build-id/82/
/lib/modules/3.19.0-74-generic/vdso/.build-id/82/f4703a23f2ab9254354f241934ba4ac21762a8.debug
/lib/modules/3.19.0-74-generic/vdso/.build-id/d7/
/lib/modules/3.19.0-74-generic/vdso/.build-id/d7/f3dc742c9e0b5720bbae7e46c0951d44076fee.debug
/lib/modules/3.19.0-74-generic/vdso/.build-id/f5/
/lib/modules/3.19.0-74-generic/vdso/.build-id/f5/04040ae24bbfe8fb9839611974f6cf7fc64d9b.debug
/lib/modules/3.19.0-74-generic/vdso/vdso32-int80.so
/lib/modules/3.19.0-74-generic/vdso/vdso32-syscall.so
/lib/modules/3.19.0-74-generic/vdso/vdso32-sysenter.so
/lib/modules/3.19.0-74-generic/vdso/vdso64.so
/lib/modules/3.19.0-74-generic/vdso/vdsox32.so