The ipv6_getsockopt_sticky function in net/ipv6/ipv6_sockglue.c in the Linux kernel before 2.6.20.2 allows local users to read arbitrary kernel memory via certain getsockopt calls that trigger a NULL dereference.
bugzilla.kernel.org/show_bug.cgi?id=8134
fedoranews.org/cms/node/2787
fedoranews.org/cms/node/2788
lists.suse.com/archive/suse-security-announce/2007-May/0001.html
secunia.com/advisories/24493
secunia.com/advisories/24518
secunia.com/advisories/24777
secunia.com/advisories/24901
secunia.com/advisories/25080
secunia.com/advisories/25099
secunia.com/advisories/25691
secunia.com/advisories/26133
secunia.com/advisories/26139
www.kb.cert.org/vuls/id/920689
www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.2
www.mandriva.com/security/advisories?name=MDKSA-2007:078
www.osvdb.org/33025
www.redhat.com/support/errata/RHSA-2007-0169.html
www.securityfocus.com/archive/1/471457
www.securityfocus.com/bid/22904
www.ubuntu.com/usn/usn-486-1
www.ubuntu.com/usn/usn-489-1
www.vupen.com/english/advisories/2007/0907
www.wslabi.com/wabisabilabi/initPublishedBid.do?
issues.rpath.com/browse/RPL-1153
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10015