openSUSE Security Update : xen-201107 (openSUSE-SU-2011:0941-1)

Security / Collective Update for Xen Xen : - bnc702025 - VUL-0: xen: VT-d PCI passthrough MSI trap injection CVE-2011-1898 - bnc703924 - update block-npiv scripts to support BFA HBA - bnc689954 - L3: Live migrations fail when guest crashes: domaincrashsync called from entry.S - bnc693472 - Bridge...

RHEL 5 : kernel (RHSA-2012:0358)

The remote Redhat Enterprise Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2012:0358 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issues: Using...

virt: VT-d (PCI passthrough) MSI trap injection

Xen 4.1 before 4.1.1 and 4.0 before 4.0.2, when using PCI passthrough on Intel VT-d chipsets that do not have interrupt remapping, allows guest OS users to gain host OS privileges by "using DMA to generate MSI interrupts by writing to the interrupt injection registers."...