All these Ahadith are correct and there are more Ahadith in the same context as well. All these actions can result in Kabeera Gunnah and ultimately can lead to Jahannum if one is not careful about them in some specific situations. All these actions mentioned in Hadith should be seen in the light of Quran and Sunnah.

Please see for Reference:

https://sunnah.com/muslim:108a

https://sunnah.com/muslim:106a

https://sunnah.com/muslim:107

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Work on these Ahadith in Hadith Project and their explanation can be found in the following link:

دوزخ کے اعمال (۴) | Hadith Project

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All such narrations which appear to give sweeping statements based on isolated actions always have implied qualification as put in by Quran and Sunnah. Such Ahadith (Akhbar-i-Ahad) usually relate to application of religion as detailed in Quran and Sunnah and their content and intensity may had varied from situation to situation and from person to person, as deemd fit by the Prophet (sws) in the specific situation. For example, when He wanted someone to be encouraged to do Zikar, He must’ve given isolated gladtidings, while knowing that the same person was very punctual w.r.t other obligatory rituals of religion and hence there was no need to mention such other compulsory requirements and same is applied to where warning of Hell is mentioned or exclusion from Iman is mentioned based on isolated actions. Such gladtidings or warnings are given to emphasize a certain point subject to framework already provided in Quran and Sunnah specific to that particular situation which required empahsis on that one particular point or few points at that time.

In conclusion, such Ahadith are always subject to the basic obligatory requirements of Islam (as mentioned in Quran and Sunnah) and therefore, should not be seen in isolation.

Following comments of Ghamidi Sahab shed light on a similar matter:

Discussion 49283

For explanation of Hadith (https://sunnah.com/muslim:108a), please refer to the video below from 40:58 to 51:15

For explanation of Hadith (https://sunnah.com/muslim:106a), please refer to the video below from 40:30 to 49:59

For explanation of Hadith (https://sunnah.com/muslim:107), please refer to the video below from 40:46 to 50:18