/lib/modules/4.2.0-42-lowlatency/vdso/ is in linux-image-4.2.0-42-lowlatency 4.2.0-42.49~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/4.2.0-42-lowlatency/vdso/.build-id/
/lib/modules/4.2.0-42-lowlatency/vdso/.build-id/52/
/lib/modules/4.2.0-42-lowlatency/vdso/.build-id/52/8b2728074b92062254ee76db819a474d50fe2a.debug
/lib/modules/4.2.0-42-lowlatency/vdso/.build-id/63/
/lib/modules/4.2.0-42-lowlatency/vdso/.build-id/63/43bd25338f562d4622aa6654a6db8d28398b55.debug
/lib/modules/4.2.0-42-lowlatency/vdso/.build-id/69/
/lib/modules/4.2.0-42-lowlatency/vdso/.build-id/69/afd3018e834610615f23cd5695dc6fb84e72f1.debug
/lib/modules/4.2.0-42-lowlatency/vdso/.build-id/ed/
/lib/modules/4.2.0-42-lowlatency/vdso/.build-id/ed/070ecf4df84a3b6ca51c17bdb7cbfe9bcaf806.debug
/lib/modules/4.2.0-42-lowlatency/vdso/.build-id/f1/
/lib/modules/4.2.0-42-lowlatency/vdso/.build-id/f1/a4f6a1b01a37fe2e3306791df86de3793b0406.debug
/lib/modules/4.2.0-42-lowlatency/vdso/vdso32-int80.so
/lib/modules/4.2.0-42-lowlatency/vdso/vdso32-syscall.so
/lib/modules/4.2.0-42-lowlatency/vdso/vdso32-sysenter.so
/lib/modules/4.2.0-42-lowlatency/vdso/vdso64.so
/lib/modules/4.2.0-42-lowlatency/vdso/vdsox32.so