Sahih Muslim 6788
صحيح مسلم#6788SahihAbu Wa'il reported:I was sitting with 'Abdullah and Abu Musa that they reported Allah's Messenger (ﷺ) having said: Prior to the Last Hour, there would be a time when knowledge would be taken away, and ignorance would take its place and there would be bloodshed on a large scale
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 47:14