/usr/include/CGAL/Kinetic/internal/ is in libcgal-dev 4.7-4.
This file is owned by root:root, with mode 0o755.
..
/usr/include/CGAL/Kinetic/internal/Delaunay_triangulation_base_3.h
/usr/include/CGAL/Kinetic/internal/Instantaneous_adaptor.h
/usr/include/CGAL/Kinetic/internal/Kernel/
/usr/include/CGAL/Kinetic/internal/Kernel/Cartesian_kinetic_kernel_base.h
/usr/include/CGAL/Kinetic/internal/Kernel/Cartesian_moving_lifted_point_3.h
/usr/include/CGAL/Kinetic/internal/Kernel/Cartesian_moving_orthosphere_3.h
/usr/include/CGAL/Kinetic/internal/Kernel/Cartesian_moving_point_1.h
/usr/include/CGAL/Kinetic/internal/Kernel/Cartesian_moving_point_2.h
/usr/include/CGAL/Kinetic/internal/Kernel/Cartesian_moving_point_3.h
/usr/include/CGAL/Kinetic/internal/Kernel/Cartesian_moving_weighted_point_3.h
/usr/include/CGAL/Kinetic/internal/Kernel/Center.h
/usr/include/CGAL/Kinetic/internal/Kernel/Certificate.h
/usr/include/CGAL/Kinetic/internal/Kernel/Delaunay_lifted_lifting.h
/usr/include/CGAL/Kinetic/internal/Kernel/Delaunay_lifting.h
/usr/include/CGAL/Kinetic/internal/Kernel/Reverse_time.h
/usr/include/CGAL/Kinetic/internal/Kernel/cartesian_predicates_2.h
/usr/include/CGAL/Kinetic/internal/Kernel/cartesian_predicates_3.h
/usr/include/CGAL/Kinetic/internal/To_static.h
/usr/include/CGAL/Kinetic/internal/Triangulation_helper_3.h
/usr/include/CGAL/Kinetic/internal/config.h
/usr/include/CGAL/Kinetic/internal/debug_counters.h
/usr/include/CGAL/Kinetic/internal/infinity_or_max.h
/usr/include/CGAL/Kinetic/internal/tds_2_helpers.h
/usr/include/CGAL/Kinetic/internal/triangulation_helpers_3.h