Sahih Muslim 4153
صحيح مسلم#4153SahihAbu Ishaq said that he heard al-Bara' b. 'Azib (Allah be pleased with him say:The last verse revealed (in the Holy Quran) is that pertaining to Kalala, and the last sura revealed is Sura al-Bara'at
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: 23:14