Sahih Muslim 6654
صحيح مسلم#6654Sahihحَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ مُعَاذٍ الْعَنْبَرِيُّ، حَدَّثَنَا أَبِي، حَدَّثَنَا شُعْبَةُ، عَنْ قَتَادَةَ، سَمِعَ أَبَا، أَيُّوبَ يُحَدِّثُ عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " إِذَا قَاتَلَ أَحَدُكُمْ أَخَاهُ فَلاَ يَلْطِمَنَّ الْوَجْهَ " .
Abu Huraira reported Allah's Messenger (ﷺ) as saying:When any one of you fights with his brother, he should not slap at the face
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:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 45:151