White will provide the Men of Gwent with crucial injury cover for the back row over the next three weeks.
The Australian born flanker signed for Exeter Chiefs in 2011, after a spell at Welsh Region Cardiff Blues. Previous to his time in Wales he played for ACT Brumbies as well as the Brumby Runners and Canberra Viking.
White linked up with the squad at their training base in Ystrad Mynach today (Monday 1st February).