/lib/modules/3.19.0-42-lowlatency/vdso/ is in linux-image-3.19.0-42-lowlatency 3.19.0-42.48~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.19.0-42-lowlatency/vdso/.build-id/
/lib/modules/3.19.0-42-lowlatency/vdso/.build-id/05/
/lib/modules/3.19.0-42-lowlatency/vdso/.build-id/05/bffaf4014a792818a4473930aa087db89e9147.debug
/lib/modules/3.19.0-42-lowlatency/vdso/.build-id/57/
/lib/modules/3.19.0-42-lowlatency/vdso/.build-id/57/1554a0102cf7303f0fe784bab52d91df05a59e.debug
/lib/modules/3.19.0-42-lowlatency/vdso/.build-id/63/
/lib/modules/3.19.0-42-lowlatency/vdso/.build-id/63/acb43ea870a9658574f066cbc5015fdb7424dd.debug
/lib/modules/3.19.0-42-lowlatency/vdso/.build-id/83/
/lib/modules/3.19.0-42-lowlatency/vdso/.build-id/83/76e88b036d568949e24bba77075bf6e587814e.debug
/lib/modules/3.19.0-42-lowlatency/vdso/.build-id/fb/
/lib/modules/3.19.0-42-lowlatency/vdso/.build-id/fb/26923737f5c161dab17e4110e4b248c2b191fc.debug
/lib/modules/3.19.0-42-lowlatency/vdso/vdso32-int80.so
/lib/modules/3.19.0-42-lowlatency/vdso/vdso32-syscall.so
/lib/modules/3.19.0-42-lowlatency/vdso/vdso32-sysenter.so
/lib/modules/3.19.0-42-lowlatency/vdso/vdso64.so
/lib/modules/3.19.0-42-lowlatency/vdso/vdsox32.so