The audit system in Linux kernel 2.6.6, and other versions before 2.6.13.4, when CONFIG_AUDITSYSCALL is enabled, uses an incorrect function to free names_cache memory, which prevents the memory from being tracked by AUDITSYSCALL code and leads to a memory leak that allows attackers to cause a denial of service (memory consumption).
http://www.ubuntu.com/usn/usn-199-1
http://www.mandriva.com/security/advisories?name=MDKSA-2005:235
http://www.mandriva.com/security/advisories?name=MDKSA-2005:220
http://www.mandriva.com/security/advisories?name=MDKSA-2005:219
http://www.mandriva.com/security/advisories?name=MDKSA-2005:218
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9467
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-3180
http://www.securityfocus.com/bid/15076
http://www.securityfocus.com/archive/1/427980/100/0/threaded
http://www.securityfocus.com/advisories/9806
http://www.securityfocus.com/advisories/9549
http://www.redhat.com/support/errata/RHSA-2005-808.html
http://secunia.com/advisories/19374
http://secunia.com/advisories/17917
http://secunia.com/advisories/17826
http://secunia.com/advisories/17364
http://secunia.com/advisories/17280
http://secunia.com/advisories/17114
http://linux.bkbits.net:8080/linux-2.6/cset%404346883bQBeBd26syWTKX2CVC5bDcA