/etc/selinux/mls/contexts/files/media is in selinux-policy-mls 2:2.20140206-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | cdrom system_u:object_r:removable_device_t:s0
floppy system_u:object_r:removable_device_t:s0
disk system_u:object_r:fixed_disk_device_t:s0
|