Xen Denial of Service Vulnerability (CNVD-2015-03573)

Xen is an open source virtual machine monitor. Xen versions 3.3.x-4.5.x, fail to properly restrict write access to the host MSI message data field, which can be exploited by local x86 HVM client administrators to cause a denial of service unexpected outage and host crash...

UBUNTU-CVE-2015-4103

Xen 3.3.x through 4.5.x does not properly restrict write access to the host MSI message data field, which allows local x86 HVM guest administrators to cause a denial of service host interrupt handling confusion via vectors related to qemu and accessing spanning multiple fields...