Sahih Muslim 1291
صحيح مسلم#1291SahihAbu Huraira reported:The Messenger of Allah (ﷺ) said two rak'ahs of the noon prayer and then gave salutation when a man from Band Sulaim came to him and said: Messenger of Allah. has the prayer been shortened, or have you forgotten? -and 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: 5:129