/usr/src/linux-azure-headers-4.15.0-1022/scripts/selinux/ is in linux-azure-headers-4.15.0-1022 4.15.0-1022.22~16.04.1.
This file is owned by root:root, with mode 0o755.
..
/usr/src/linux-azure-headers-4.15.0-1022/scripts/selinux/Makefile
/usr/src/linux-azure-headers-4.15.0-1022/scripts/selinux/README
/usr/src/linux-azure-headers-4.15.0-1022/scripts/selinux/genheaders/
/usr/src/linux-azure-headers-4.15.0-1022/scripts/selinux/genheaders/.gitignore
/usr/src/linux-azure-headers-4.15.0-1022/scripts/selinux/genheaders/Makefile
/usr/src/linux-azure-headers-4.15.0-1022/scripts/selinux/genheaders/genheaders.c
/usr/src/linux-azure-headers-4.15.0-1022/scripts/selinux/install_policy.sh
/usr/src/linux-azure-headers-4.15.0-1022/scripts/selinux/mdp/
/usr/src/linux-azure-headers-4.15.0-1022/scripts/selinux/mdp/.gitignore
/usr/src/linux-azure-headers-4.15.0-1022/scripts/selinux/mdp/Makefile
/usr/src/linux-azure-headers-4.15.0-1022/scripts/selinux/mdp/dbus_contexts
/usr/src/linux-azure-headers-4.15.0-1022/scripts/selinux/mdp/mdp.c