Fedora 21 : xen-4.4.2-5.fc21 (2015-9466)

Potential unintended writes to host MSI message data field via qemu XSA-128, CVE-2015-4103, PCI MSI mask bits inadvertently exposed to guests XSA-129, CVE-2015-4104, Guest triggerable qemu MSI-X pass-through error messages XSA-130, CVE-2015-4105, Unmediated PCI register access in qemu XSA-131,...

Citrix XenServer Multiple Security Updates (CTX201145)

A number of security vulnerabilities have been identified in Citrix XenServer that may allow a malicious administrator of a guest VM to crash the host. These vulnerabilities affect all currently supported versions of Citrix XenServer up to and including Citrix XenServer 6.5 Service Pack 1...

CVE-2015-4105

Xen 3.3.x through 4.5.x enables logging for PCI MSI-X pass-through error messages, which allows local x86 HVM guests to cause a denial of service host disk consumption via certain invalid operations...