Xen 安全漏洞

Xen is an open source virtual machine monitor product from Xen Open Source. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. A security vulnerability exists in Xen that stems from an...

openSUSE Security Update : xen (openSUSE-SU-2013:0636-1)

XEN was updated to fix various bugs and security issues : Security issues fixed : - bnc800275 - CVE-2013-0153: xen: interrupt remap entries shared and old ones not cleared on AMD IOMMUs - bnc797523 - CVE-2012-6075: qemu / kvm-qemu: e1000 overflows under some conditions - bnc797031 - Xen Security...

kernel: xen: interrupt remap entries shared and old ones not cleared on AMD IOMMUs

The AMD IOMMU support in Xen 4.2.x, 4.1.x, 3.3, and other versions, when using AMD-Vi for PCI passthrough, uses the same interrupt remapping table for the host and all guests, which allows guests to cause a denial of service by injecting an interrupt into other guests...