Sahih Muslim 6373
صحيح مسلم#6373SahihAnas reported (that his mother) Umm Sulaim said (to the Holy Prophet) Allah's Messenger, here is your servant Anas. The rest of the hadith is the same
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: 44:203