Sunan an-Nasa'i 1923
سنن النسائي#1923Da'ifIt was narrated that Abu Ma'mar said:"We were with 'Ali and a funeral passed by him, and they stood up for it. 'Ali said: "What is this?' They said: 'The command of Abu Musa.' He said: 'Rather the Messenger of Allah stood up for a Jewish funeral but he did not do it again
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiDaif
In-book reference: 21:106