MEDIUM
The nl_fib_lookup function in net/ipv4/fib_frontend.c in Linux Kernel before 2.6.20.8 allows attackers to cause a denial of service (kernel panic) via NETLINK_FIB_LOOKUP replies, which trigger infinite recursion and a stack overflow.
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.8
http://secunia.com/advisories/25030
http://secunia.com/advisories/25083
http://secunia.com/advisories/25228
http://secunia.com/advisories/25288
http://secunia.com/advisories/25691
http://secunia.com/advisories/25961
http://secunia.com/advisories/26133
http://secunia.com/advisories/26139
http://secunia.com/advisories/26620
http://www.debian.org/security/2007/dsa-1289
http://www.mandriva.com/security/advisories?name=MDKSA-2007:171
http://www.novell.com/linux/security/advisories/2007_43_kernel.html
http://www.redhat.com/support/errata/RHSA-2007-0347.html
http://www.securityfocus.com/archive/1/467939/30/6690/threaded
http://www.securityfocus.com/archive/1/471457
http://www.securityfocus.com/bid/23677
http://www.ubuntu.com/usn/usn-486-1
http://www.ubuntu.com/usn/usn-489-1
http://www.vupen.com/english/advisories/2007/1595
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=237913
https://exchange.xforce.ibmcloud.com/vulnerabilities/34014
https://issues.rpath.com/browse/RPL-1309
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11616