EXCLUSIVE

8:00 AM PST -- As of Sunday morning, Jeff has been released from jail.

"Curb Your Enthusiasm" star Jeff Garlin apparently had some issues curbing his anger Saturday ... the actor was arrested for allegedly smashing a couple car windows following a heated argument.

Law enforcement sources tell TMZ ... the 51-year-old actor was arrested for felony vandalism in Studio City around 3 pm. We're told Garlin got into a verbal fight with another person over a parking space (hey it's LA) ... which escalated quickly ... and resulted in Garlin allegedly smashing the windows of the other person's Mercedes.

Cops were called and the actor was arrested. We're told he's still in jail.