kernel security update

kernel: 2.6.18-308.8.2.el5 - xen x8664: check address on trap handlers or guest callbacks Paolo Bonzini 813430 813431 CVE-2012-0217 - xen x8664: Do not execute sysret with a non-canonical return address Paolo Bonzini 813430 813431 CVE-2012-0217 - xen x86: prevent hv boot on AMD CPUs with Erratum...

security flaw

Linux kernel before 2.6.16.5 does not properly handle uncanonical return addresses on Intel EM64T CPUs, which reports an exception in the SYSRET instead of the next instruction, which causes the kernel exception handler to run on the user stack with the wrong GS...

Design/Logic Flaw

Linux kernel before 2.6.16.5 does not properly handle uncanonical return addresses on Intel EM64T CPUs, which reports an exception in the SYSRET instead of the next instruction, which causes the kernel exception handler to run on the user stack with the wrong GS...

CVE-2006-0744

Linux kernel before 2.6.16.5 does not properly handle uncanonical return addresses on Intel EM64T CPUs, which reports an exception in the SYSRET instead of the next instruction, which causes the kernel exception handler to run on the user stack with the wrong GS...

CVE-2006-0744

Linux kernel before 2.6.16.5 does not properly handle uncanonical return addresses on Intel EM64T CPUs, which reports an exception in the SYSRET instead of the next instruction, which causes the kernel exception handler to run on the user stack with the wrong GS...