Sunan Abi Dawud 4184
سنن أبي داود#4184Sahihحَدَّثَنَا حَفْصُ بْنُ عُمَرَ، حَدَّثَنَا شُعْبَةُ، عَنْ أَبِي إِسْحَاقَ، عَنِ الْبَرَاءِ، قَالَ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم لَهُ شَعْرٌ يَبْلُغُ شَحْمَةَ أُذُنَيْهِ .
Narrated Al-Bara' :The Messenger of Allah (ﷺ) had hair which reached the lobes of his ears
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 Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih
In-book reference: 35:26