The school announced Tuesday that Bass will be eligible for the 2008 season.
After signing with Maryland in February, he requested and was granted a release by the school.
Memphis said in a news release that Bass will begin practice with the Tigers Aug. 4.
Bass played at Stockbridge High School in Atlanta where he was a two-year starter at quarterback, throwing for more than 2,400 yards and 28 touchdowns. As a senior, he rushed for 606 yards and 11 TDs.