My bad, was thinking more about the well known part, but it came out a bit wrong. A lot of people were bashing Ubuntu back in the day when I brought it up on forums/real life, so I ended up considering it notorious before considering it well known...

famous or well known, typically for some bad quality or deed.
"Los Angeles is notorious for its smog"
synonyms:   infamous, of ill repute, with a bad reputation/name, ill-famed, scandalous; well known, famous, famed, celebrated, renowned, fabled, legendary, noted, talked about, prominent
"the country's most notorious drug trafficker"
The keyword in the definition is "typically" - I was thinking about the "well known, famous" part and not the "infamous" one. ;)

"Notorious Ubuntu Linux"? I know everyone doesn't love it but that seems a little harsh.