Hadith on Riba: Seventy-two doors of usury include backbiting, slander

Al-Bara’ ibn ‘Azib reported: The Messenger of Allah, peace and blessings be upon him, said, “Usury has seventy-two doors, the least of which is like a man who goes into his mother. The worst act of usury is for a man to attack the reputation of his brother.

Source: al-Mu’jam al-Awsaṭ 7151

Grade: Sahih li ghayrihi (authentic due to external evidence) according to Al-Albani

عَنِ الْبَرَاءِ بْنِ عَازِبٍ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللهُ عَلَيْهِ وَسَلَّمَ الرِّبَا اثْنَانِ وَسَبْعُونَ بَابًا أَدْنَاهَا مِثْلُ إِتْيَانِ الرَّجُلِ أُمَّهُ وَأَرْبَى الرِّبَا اسْتِطَالَةُ الرَّجُلِ فِي عِرْضِ أَخِيهِ

7151 المعجم الأوسط للطبراني

2830 المحدث الألباني خلاصة حكم المحدث صحيح لغيره في صحيح الترغيب