Sahih Muslim 1237
صحيح مسلم#1237SahihSa'd b. Yazid Abu Mas'ama reported:I said to Anas like (that mentioned above)
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: 5:75