after 25-30 mints of game playing on x box 360 , the game freezes and red dot light appears on my xbox 360 on the place of green indicator power light, is it some sort of hardware failure ? then after 30 mints i turn on my xbox 360 and it works fine for the next 30 mints, kindly help

After 25-30 minutes of game playing on Xbox-360, the game freezes and red dot light appears on my Xbox-360 in the place of green indicator power light. And then after 30 minutes I turn on my Xbox-360 again and it works fine for the next 30 minutes.

Is this some sort of hardware failure?