Multiple integer signedness errors in the TIPC implementation in the Linux kernel before 2.6.36.2 allow local users to gain privileges via a crafted sendmsg call that triggers a heap-based buffer overflow, related to the tipc_msg_build function in net/tipc/msg.c and the verify_iovec function in net/core/iovec.c.
http://marc.info/?l=linux-netdev&m=128770476511716&w=2
https://bugzilla.redhat.com/show_bug.cgi?id=645867
http://secunia.com/advisories/42789
http://secunia.com/advisories/42963
http://secunia.com/advisories/46397
http://www.debian.org/security/2010/dsa-2126
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2
http://www.mandriva.com/security/advisories?name=MDVSA-2011:029
http://www.openwall.com/lists/oss-security/2010/10/22/2
http://www.openwall.com/lists/oss-security/2010/10/22/5
http://www.redhat.com/support/errata/RHSA-2011-0004.html
http://www.redhat.com/support/errata/RHSA-2011-0162.html
http://www.vmware.com/security/advisories/VMSA-2011-0012.html