Linux kernel 2.4.x and 2.6.x allows local users to cause a denial of service (CPU and memory consumption) and bypass RLIM_MEMLOCK limits via the mlockall call.
distro.conectiva.com.br/atualizacoes/index.php?id=a&anuncio=000930
lists.grok.org.uk/pipermail/full-disclosure/2005-January/030660.html
secunia.com/advisories/17002
www.redhat.com/support/errata/RHSA-2005-092.html
www.redhat.com/support/errata/RHSA-2005-663.html
www.vupen.com/english/advisories/2005/1878
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9890