/usr/share/icons/hicolor/48x48/ is in hicolor-icon-theme 0.13-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/icons/hicolor/48x48/actions/
/usr/share/icons/hicolor/48x48/animations/
/usr/share/icons/hicolor/48x48/apps/
/usr/share/icons/hicolor/48x48/categories/
/usr/share/icons/hicolor/48x48/devices/
/usr/share/icons/hicolor/48x48/emblems/
/usr/share/icons/hicolor/48x48/emotes/
/usr/share/icons/hicolor/48x48/filesystems/
/usr/share/icons/hicolor/48x48/intl/
/usr/share/icons/hicolor/48x48/mimetypes/
/usr/share/icons/hicolor/48x48/places/
/usr/share/icons/hicolor/48x48/status/
/usr/share/icons/hicolor/48x48/stock/
/usr/share/icons/hicolor/48x48/stock/chart/
/usr/share/icons/hicolor/48x48/stock/code/
/usr/share/icons/hicolor/48x48/stock/data/
/usr/share/icons/hicolor/48x48/stock/form/
/usr/share/icons/hicolor/48x48/stock/image/
/usr/share/icons/hicolor/48x48/stock/io/
/usr/share/icons/hicolor/48x48/stock/media/
/usr/share/icons/hicolor/48x48/stock/navigation/
/usr/share/icons/hicolor/48x48/stock/net/
/usr/share/icons/hicolor/48x48/stock/object/
/usr/share/icons/hicolor/48x48/stock/table/
/usr/share/icons/hicolor/48x48/stock/text/