An unspecified privilege escalation flaw was found in the service workers component of the Chromium browser. External References: http://googlechromereleases.blogspot.com/2015/02/stable-channel-update.html
Currently private upstream bug: https://code.google.com/p/chromium/issues/detail?id=453982
This issue has been addressed in the following products: Supplementary for Red Hat Enterprise Linux 6 Via RHSA-2015:0163 https://rhn.redhat.com/errata/RHSA-2015-0163.html