it sort of looks like a scar but I dont see it in any of the Oscar pics.
black women might be more susceptible due to all the weaves, etc. There is something called traction alopecia
https://www.allure.com/story/traction-alopecia-hair-loss-prevention-and-care
I looked at some pics of people with alopecia. a lot of it is in round type patches and not a straight line...leading me to think it might be due to traction alopecia