Sunan Abi Dawud 3461
سنن أبي داود#3461Hasanحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، عَنْ يَحْيَى بْنِ زَكَرِيَّا، عَنْ مُحَمَّدِ بْنِ عَمْرٍو، عَنْ أَبِي سَلَمَةَ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ النَّبِيُّ صلى الله عليه وسلم " مَنْ بَاعَ بَيْعَتَيْنِ فِي بَيْعَةٍ فَلَهُ أَوْكَسُهُمَا أَوِ الرِّبَا " .
Narrated AbuHurayrah: The Prophet (ﷺ) said: If anyone makes two transactions combined in one bargain, he should have the lesser of the two or it will involve usury
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Al-AlbaniHasan
Muhammad Muhyi Al-Din Abdul HamidHasan
Zubair Ali ZaiIsnaad Hasan
In-book reference: 24:46