/lib/modules/3.19.0-66-lowlatency/vdso/ is in linux-image-3.19.0-66-lowlatency 3.19.0-66.74~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.19.0-66-lowlatency/vdso/.build-id/
/lib/modules/3.19.0-66-lowlatency/vdso/.build-id/2e/
/lib/modules/3.19.0-66-lowlatency/vdso/.build-id/2e/27de28f8a6c2cfc3dd6a2a6dc3f7993dda20d8.debug
/lib/modules/3.19.0-66-lowlatency/vdso/.build-id/54/
/lib/modules/3.19.0-66-lowlatency/vdso/.build-id/54/8c1ef52a57a7eaf1054ccc555d41eaac9f9482.debug
/lib/modules/3.19.0-66-lowlatency/vdso/.build-id/93/
/lib/modules/3.19.0-66-lowlatency/vdso/.build-id/93/5a59a1c9294d84c45e1f3a05b8f9eceedfb1bb.debug
/lib/modules/3.19.0-66-lowlatency/vdso/.build-id/d9/
/lib/modules/3.19.0-66-lowlatency/vdso/.build-id/d9/19054571c7457d9c446d3c94fe36a71accc788.debug
/lib/modules/3.19.0-66-lowlatency/vdso/.build-id/fa/
/lib/modules/3.19.0-66-lowlatency/vdso/.build-id/fa/124c60566f4564250dfe43ee5d4e14235e6c55.debug
/lib/modules/3.19.0-66-lowlatency/vdso/vdso32-int80.so
/lib/modules/3.19.0-66-lowlatency/vdso/vdso32-syscall.so
/lib/modules/3.19.0-66-lowlatency/vdso/vdso32-sysenter.so
/lib/modules/3.19.0-66-lowlatency/vdso/vdso64.so
/lib/modules/3.19.0-66-lowlatency/vdso/vdsox32.so