Sunan Abi Dawud 4517
سنن أبي داود#4517Da'ifQatadah transmitted the tradition mentioned above through a chain of narrators like that of Shu'bah. This version adds:Then al-Hasan forgot this tradition, and he used to say: A free man is not to be killed for a slave
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih Maqtu
Muhammad Muhyi Al-Din Abdul HamidSahih Maqtu
Shuaib Al ArnautDaif
Zubair Ali ZaiDaif
In-book reference: 41:24