Source: The Wrestling Observer
Vince McMahon was reportedly angry during the main event match between CM Punk and John Cena on RAW. McMahon was apparently upset when CM Punk and John Cena did the piledriver spot during their match. The move being done in the style it was is banned in WWE because of the potential danger to a performers neck.
While McMahon was upset in the moment, nobody is expecting anything more to come of issue other than McMahon saying something to Punk and then moving on.