The '/tmp' partition is used as temporary storage by many programs. Placing '/tmp' in its own partition enables the setting of more restrictive mount options, which can help protect programs which use it.
The '/tmp' directory is a world-writable directory used for temporary file storage. Ensure it has its own partition or logical volume at installation time, or migrate it using LVM.
The following resource is also helpful.
This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system Unix.