A flaw was found in the way Virtual Ethernet driver implementation in the Linux kernel handled skbs in case of congestion.
A remote attacker could potentially use this flaw to crash the system.
Red Hat would like to thank Atzm WATANABE of Stratosphere Inc. for reporting this issue.
This issue does not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG 2.
This issue has been addressed in following products:
Red Hat Enterprise Linux 6
Via RHSA-2013:0911 https://rhn.redhat.com/errata/RHSA-2013-0911.html