Is the narrator Abu ‘Ubaydah ibn ‘Abdillah ibn Mas’ud reliable?
Yes, he is reliable (thiqah).
(Siyar A’alamin Nubala, vol. 4 pg. 363 and Taqrib, no. 8231)
Refer to Shaykh ‘Awwamah’s footnotes on Kashif, no. 2539, and Musannaf ibn Abi Shaybah, Hadith: 1655, for more concerning his reports from his Father; Sayyiduna ‘Abdullah ibn Mas’ud (radiyallahu ‘anhu).
Note: The above is merely an answer to the question provided. One who is unqualified, should not seek to apply this and/or draw conclusions on related issues independently.
And Allah Ta’ala Knows best,
Answered by: Moulana Muhammad Abasoomar
This answer was collected from HadithAnswers.com. The answers were either answered or checked by Moulana Haroon Abasoomar (rahimahullah) who was a Shaykhul Hadith in South Africa, or by his son, Moulana Muhammad Abasoomer (hafizahullah), who is a Hadith specialist.