Sahih Muslim 3064
صحيح مسلم#3064SahihIbn 'Umar (Allah be pleased with them) reported:I have not abandoned touching of Yamani corners (and kissing of) the Stone since I saw Allah's messneger (ﷺ) touching them both In hardship and ease
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: 15:270