Yeah, I’m not even sure of all the details and you can only really find them on Korean sites. His Korean wiki has a link to an entire separate page devoted to it, but his English wiki just lists his filmography.
I don’t think he’s all that well-known internationally and the scandal happened at least a decade ago, when there wasn’t as much by way of international kdrama news (at least for the non-pretty non-young actors and anyone who isn’t an idol).
The Obsessive Dilettante 