Sunan Ibn Majah 265
سنن ابن ماجه#265Da'ifIt was narrated that Abu Sa'eed Al-Khudri said:"The Messenger of Allah said: 'Whoever conceals knowledge which Allah has made beneficial for mankind's affairs of religion, Allah will bridle him with reins of fire on the Day of Resurrection
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniVery Daif
Muhammad Fouad Abd al-BaqiVery Daif
Shuaib Al ArnautVery Daif
Zubair Ali ZaiDaif