/usr/share/live/images/mate-desktop/config/ is in live-image-mate-desktop 5.0~a5-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/live/images/mate-desktop/config/bootloaders/
/usr/share/live/images/mate-desktop/config/bootloaders/extlinux/
/usr/share/live/images/mate-desktop/config/bootloaders/extlinux/advanced.cfg
/usr/share/live/images/mate-desktop/config/bootloaders/extlinux/extlinux.conf
/usr/share/live/images/mate-desktop/config/bootloaders/extlinux/hdt.c32
/usr/share/live/images/mate-desktop/config/bootloaders/extlinux/install.cfg
/usr/share/live/images/mate-desktop/config/bootloaders/extlinux/ldlinux.c32
/usr/share/live/images/mate-desktop/config/bootloaders/extlinux/libcom32.c32
/usr/share/live/images/mate-desktop/config/bootloaders/extlinux/libutil.c32
/usr/share/live/images/mate-desktop/config/bootloaders/extlinux/live.cfg.in
/usr/share/live/images/mate-desktop/config/bootloaders/extlinux/menu.cfg
/usr/share/live/images/mate-desktop/config/bootloaders/extlinux/splash.svg
/usr/share/live/images/mate-desktop/config/bootloaders/extlinux/stdmenu.cfg
/usr/share/live/images/mate-desktop/config/bootloaders/extlinux/vesamenu.c32
/usr/share/live/images/mate-desktop/config/bootloaders/isolinux/
/usr/share/live/images/mate-desktop/config/bootloaders/isolinux/advanced.cfg
/usr/share/live/images/mate-desktop/config/bootloaders/isolinux/hdt.c32
/usr/share/live/images/mate-desktop/config/bootloaders/isolinux/install.cfg
/usr/share/live/images/mate-desktop/config/bootloaders/isolinux/isolinux.bin
/usr/share/live/images/mate-desktop/config/bootloaders/isolinux/isolinux.cfg
/usr/share/live/images/mate-desktop/config/bootloaders/isolinux/ldlinux.c32
/usr/share/live/images/mate-desktop/config/bootloaders/isolinux/libcom32.c32
/usr/share/live/images/mate-desktop/config/bootloaders/isolinux/libutil.c32
/usr/share/live/images/mate-desktop/config/bootloaders/isolinux/live.cfg.in
/usr/share/live/images/mate-desktop/config/bootloaders/isolinux/menu.cfg
/usr/share/live/images/mate-desktop/config/bootloaders/isolinux/splash.svg
/usr/share/live/images/mate-desktop/config/bootloaders/isolinux/stdmenu.cfg
/usr/share/live/images/mate-desktop/config/bootloaders/isolinux/vesamenu.c32
/usr/share/live/images/mate-desktop/config/bootloaders/pxelinux/
/usr/share/live/images/mate-desktop/config/bootloaders/pxelinux/advanced.cfg
/usr/share/live/images/mate-desktop/config/bootloaders/pxelinux/hdt.c32
/usr/share/live/images/mate-desktop/config/bootloaders/pxelinux/install.cfg
/usr/share/live/images/mate-desktop/config/bootloaders/pxelinux/ldlinux.c32
/usr/share/live/images/mate-desktop/config/bootloaders/pxelinux/libcom32.c32
/usr/share/live/images/mate-desktop/config/bootloaders/pxelinux/libutil.c32
/usr/share/live/images/mate-desktop/config/bootloaders/pxelinux/live.cfg.in
/usr/share/live/images/mate-desktop/config/bootloaders/pxelinux/menu.cfg
/usr/share/live/images/mate-desktop/config/bootloaders/pxelinux/pxelinux.0
/usr/share/live/images/mate-desktop/config/bootloaders/pxelinux/pxelinux.cfg/
/usr/share/live/images/mate-desktop/config/bootloaders/pxelinux/pxelinux.cfg/default
/usr/share/live/images/mate-desktop/config/bootloaders/pxelinux/splash.svg
/usr/share/live/images/mate-desktop/config/bootloaders/pxelinux/stdmenu.cfg
/usr/share/live/images/mate-desktop/config/bootloaders/pxelinux/vesamenu.c32
/usr/share/live/images/mate-desktop/config/bootloaders/syslinux/
/usr/share/live/images/mate-desktop/config/bootloaders/syslinux/advanced.cfg
/usr/share/live/images/mate-desktop/config/bootloaders/syslinux/hdt.c32
/usr/share/live/images/mate-desktop/config/bootloaders/syslinux/install.cfg
/usr/share/live/images/mate-desktop/config/bootloaders/syslinux/ldlinux.c32
/usr/share/live/images/mate-desktop/config/bootloaders/syslinux/libcom32.c32
/usr/share/live/images/mate-desktop/config/bootloaders/syslinux/libutil.c32
/usr/share/live/images/mate-desktop/config/bootloaders/syslinux/live.cfg.in
/usr/share/live/images/mate-desktop/config/bootloaders/syslinux/menu.cfg
/usr/share/live/images/mate-desktop/config/bootloaders/syslinux/splash.svg
/usr/share/live/images/mate-desktop/config/bootloaders/syslinux/stdmenu.cfg
/usr/share/live/images/mate-desktop/config/bootloaders/syslinux/syslinux.cfg
/usr/share/live/images/mate-desktop/config/bootloaders/syslinux/vesamenu.c32
/usr/share/live/images/mate-desktop/config/hooks/
/usr/share/live/images/mate-desktop/config/hooks/0001-plymouth-theme.hook.chroot
/usr/share/live/images/mate-desktop/config/package-lists/
/usr/share/live/images/mate-desktop/config/package-lists/desktop.list.chroot
/usr/share/live/images/mate-desktop/config/package-lists/dkms.list.chroot_install
/usr/share/live/images/mate-desktop/config/package-lists/dkms.list.chroot_live
/usr/share/live/images/mate-desktop/config/package-lists/installer.list.chroot
/usr/share/live/images/mate-desktop/config/package-lists/live-systems.list.chroot
/usr/share/live/images/mate-desktop/config/package-lists/localization.list.chroot
/usr/share/live/images/mate-desktop/config/package-lists/memtest.list.chroot
/usr/share/live/images/mate-desktop/config/package-lists/standard.list.chroot