No. For Linux, Sniffer10G 1.5 is only supported on RHEL 5.x.
Sniffer10G 1.5 is not supported on RHEL 6.x and is not supported on Linux 3.x.
For RHEL 6.x or Linux 3.x support, you must purchase Sniffer10G v2 licenses and use the Sniffer10G v2 software.