kernel security and bug fix update

2.6.9-89.0.23.0.1 - XEN fix cpu hotplug crash Joe Jin orabug 7521308 - XEN Bring up vcpus before khelper init Joe Jin orabug 7521308 - XEN flush the tlb cache immediately Dave McCracken, Scott Shi orabug 9138767 - fix skb alignment that was causing sendto to fail with EFAULT Olaf Kirch orabug...

Mandrake Linux Security Advisory : kernel (MDKSA-2006:086)

A number of vulnerabilities were discovered and corrected in the Linux 2.6 kernel : Prior to Linux kernel 2.6.16.5, the kernel does not properly handle uncanonical return addresses on Intel EM64T CPUs which causes the kernel exception handler to run on the user stack with the wrong GS...