Cocaine possession is considered a Class B felony, which can carry a potential prison term of 3.5 to seven years.
Chung has not played in the preseason.
In a statement, the Patriots said, "We are aware of the reports regarding Patrick Chung". He has not played thus far in the pre-season, although he has been a regular participant in practices, according to ESPN. Originally a second-round pick out of OR in 2009, Chung has won three Super Bowls with the Pats. He lasted just one season with the Eagles, playing in 12 games.
An 11-year National Football League veteran, Chung has been a key cog in the Patriots' defense as part of three Super Bowl championship teams. The 32-year-old safety has 11 interceptions and 4.5 sacks during his 10-year National Football League career.