Sunan Ibn Majah 2274
سنن ابن ماجه#2274Sahihحَدَّثَنَا عَبْدُ اللَّهِ بْنُ سَعِيدٍ، حَدَّثَنَا عَبْدُ اللَّهِ بْنُ إِدْرِيسَ، عَنْ أَبِي مَعْشَرٍ، عَنْ سَعِيدٍ الْمَقْبُرِيِّ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ " الرِّبَا سَبْعُونَ حُوبًا أَيْسَرُهَا أَنْ يَنْكِحَ الرَّجُلُ أُمَّهُ " .
It was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said:"There are seventy degrees of usury, the least of which is equivalent to a man having intercourse with his mother
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-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Zubair Ali ZaiDaif
In-book reference: 12:138