Prohibition of Listening to Backbiting

'Itban bin Malik (May Allah be pleased with him) said in his long Hadith cited in the Chapter entitled 'Hope' reported:
When the Prophet ﷺ stood up to offer As-Salat (the prayer) he asked, "Where is Malik bin Ad-Dukhshum?" A man replied: "He is a hypocrite. He does not love Allah and His Messenger." The Prophet ﷺ said, "Do not say that. Do you not know that he said: La ilaha illallah (there is no true god except Allah),' seeking His Pleasure. Allah has made the fire of Hell unlawful for him who affirms that none has the right to be worshipped but Allah."

[Al-Bukhari and Muslim].

وعن عتبان بن مالك رضي الله عنه في حديثه الطويل المشهور الذي تقدم في باب الرجاء قال: قام النبي ﷺ يصلي فقال: "أين مالك بن الدخشم؟ فقال رجل: ذلك منافق لا يحب الله ورسوله، فقال النبي ﷺ: “لا تقل ذلك ألا تراه قد قال: لا إله إلا الله يريد بذلك وجه الله! وإن الله قد حرم على النار من قال لا إله إلا الله يبتغي بذلك وجه الله" ((متفق عليه)).

Ka'b bin Malik (May Allah be pleased with him) said in his long story about his repentance:
The Prophet ﷺ was sitting among the people in Tabuk. He ﷺ said, "What happened to Ka'b bin Malik?" A person from the tribe of Banu Salamah said: "O Messenger of Allah! the embellishment of his cloak and an appreciation of his sides have allured him, and he was thus detained." Mu'adh bin Jabal (May Allah be pleased with him) said: "Woe be upon you! You have passed indecent remarks. O Messenger of Allah! by Allah, we know nothing about him but good." The Messenger of Allah ﷺ remained silent.

[Al-Bukhari and Muslim].

وعن كعب بن مالك رضي الله عنه في حديثه الطويل في قصة توبته وقد سبق في بابه التوبة. قال: قال النبي ﷺ وهو جالس في القوم بتبوك: "ما فعل كعب مالك؟ فقال رجل من بني سلمة: يا رسول الله حبسه برداه، والنظر في عطفيه فقال معاذ بن جبل رضي الله عنه بئس ما قلت والله يا رسول الله ما علمنا عليه إلا خيرًا، فسكت رسول الله ﷺ" ((متفق عليه)).