Affected software versions for Linux:
Adobe Flash Player 11.2.202.438 and earlier versions for Linux

Source: http://thehackernews.com/2015/01/adobe-flash-player-update.html

The link below provides instructions for updating the affected Adobe Flash player plugins so you are no longer affected by the two 0-day vulnerabilities.

http://ubuntuhandbook.org/index.php/2014/04/install-adobe-flash-in-ubuntu-14-04-lts/