Herbert Xu discovered that a number of netlink applications do not check the source address of incoming packets, assuming they are coming from the kernel. As any local user can send unicast netlink messages to any process on the system, this can lead to a local denial of service attack, or other local attacks. quagga in RHEL3 is affected Currently embargoed.
An errata has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2003-315.html