Research data and any associated IP is the property of Oxford University. If you intend to share data then you must consider the potential consequences.
The University's guidance is well stated on the Research Data Oxford website and we recommend you refer to this resource.
Please note that your responsibility to the University also includes not endangering it's reputation. That is, you may be held responsible for loss or leaking of OU data, and/or any activities which might cause, through careless mismanagement of that data, financial loss or damage to the University's reputation.