/lib/modules/3.19.0-64-generic/vdso/ is in linux-image-3.19.0-64-generic 3.19.0-64.72~14.04.1.
This file is owned by root:root, with mode 0o755.
..
/lib/modules/3.19.0-64-generic/vdso/.build-id/
/lib/modules/3.19.0-64-generic/vdso/.build-id/32/
/lib/modules/3.19.0-64-generic/vdso/.build-id/32/356207590d787ce059e05546ab820c629d4bc2.debug
/lib/modules/3.19.0-64-generic/vdso/.build-id/3e/
/lib/modules/3.19.0-64-generic/vdso/.build-id/3e/c9df199daf606677c54cdc200aa0b59d04f9dc.debug
/lib/modules/3.19.0-64-generic/vdso/.build-id/65/
/lib/modules/3.19.0-64-generic/vdso/.build-id/65/45c40926615f6c9b1658159ae502f94e5ad398.debug
/lib/modules/3.19.0-64-generic/vdso/.build-id/a7/
/lib/modules/3.19.0-64-generic/vdso/.build-id/a7/c565ee9331dde979f49dcdab2651d862805959.debug
/lib/modules/3.19.0-64-generic/vdso/.build-id/c8/
/lib/modules/3.19.0-64-generic/vdso/.build-id/c8/9bd46b7cfc47f3e55ef539b3faf8e450562f6a.debug
/lib/modules/3.19.0-64-generic/vdso/vdso32-int80.so
/lib/modules/3.19.0-64-generic/vdso/vdso32-syscall.so
/lib/modules/3.19.0-64-generic/vdso/vdso32-sysenter.so
/lib/modules/3.19.0-64-generic/vdso/vdso64.so
/lib/modules/3.19.0-64-generic/vdso/vdsox32.so