/lib/modules/3.19.0-75-generic/vdso/ is in linux-image-3.19.0-75-generic 3.19.0-75.83~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.19.0-75-generic/vdso/.build-id/
/lib/modules/3.19.0-75-generic/vdso/.build-id/2d/
/lib/modules/3.19.0-75-generic/vdso/.build-id/2d/a689314197daf18438cc0837b4dcecc91fc11e.debug
/lib/modules/3.19.0-75-generic/vdso/.build-id/4a/
/lib/modules/3.19.0-75-generic/vdso/.build-id/4a/6a94e606be087bf839c49c77d6586e481ef2e1.debug
/lib/modules/3.19.0-75-generic/vdso/.build-id/92/
/lib/modules/3.19.0-75-generic/vdso/.build-id/92/de9c1d0891e20ac83dc52612acb7266909425f.debug
/lib/modules/3.19.0-75-generic/vdso/.build-id/c9/
/lib/modules/3.19.0-75-generic/vdso/.build-id/c9/83d76481b5f3ed0b3ab951f2a5fef239901adc.debug
/lib/modules/3.19.0-75-generic/vdso/.build-id/eb/
/lib/modules/3.19.0-75-generic/vdso/.build-id/eb/6b868ecfbe9305f0168aa321fbbf8b63d92538.debug
/lib/modules/3.19.0-75-generic/vdso/vdso32-int80.so
/lib/modules/3.19.0-75-generic/vdso/vdso32-syscall.so
/lib/modules/3.19.0-75-generic/vdso/vdso32-sysenter.so
/lib/modules/3.19.0-75-generic/vdso/vdso64.so
/lib/modules/3.19.0-75-generic/vdso/vdsox32.so