kernel is vulnerable to denial of service (DoS). The vulnerability exists as a flaw in the handling of netlink messages that allowed a local user to cause a denial of service (infinite recursion).
kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.8
secunia.com/advisories/25030
secunia.com/advisories/25083
secunia.com/advisories/25228
secunia.com/advisories/25288
secunia.com/advisories/25691
secunia.com/advisories/25961
secunia.com/advisories/26133
secunia.com/advisories/26139
secunia.com/advisories/26620
www.debian.org/security/2007/dsa-1289
www.mandriva.com/security/advisories?name=MDKSA-2007:171
www.novell.com/linux/security/advisories/2007_43_kernel.html
www.redhat.com/security/updates/classification/#important
www.redhat.com/support/errata/RHSA-2007-0347.html
www.securityfocus.com/archive/1/467939/30/6690/threaded
www.securityfocus.com/archive/1/471457
www.securityfocus.com/bid/23677
www.ubuntu.com/usn/usn-486-1
www.ubuntu.com/usn/usn-489-1
www.vupen.com/english/advisories/2007/1595
access.redhat.com/errata/RHSA-2007:0347
bugzilla.redhat.com/bugzilla/show_bug.cgi?id=237913
exchange.xforce.ibmcloud.com/vulnerabilities/34014
issues.rpath.com/browse/RPL-1309
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11616