All perfect praise be to Allaah, The Lord of the Worlds. I testify that there is none worthy of worship except Allaah, and that Muhammad is His slave and Messenger. We ask Allaah to exalt his mention as well as that of his family and all his companions.
No, your ablution does not become void because of being naked. For the nullifiers of ablution, please refer to Fatwa: 84093.
Allaah knows best.