EUVD-2012-4463

Malware in sbrugna...

Fedora 17 : xen-4.1.3-6.fc17 (2012-18242)

A guest can block a cpu by setting a bad VCPU deadline XSA 20, CVE-2012-4535 876198 HVM guest can use invalid pirq values to crash xen XSA 21, CVE-2012-4536 876200 HVM guest can exhaust p2m table crashing xen XSA 22, CVE-2012-4537 876203 PAE HVM guest can crash hypervisor XSA-23, CVE-2012-4538...

CVE-2012-4535: Undefined Security Weakness

Xen 3.4 through 4.2, and possibly earlier versions, allows local guest OS administrators to cause a denial of service Xen infinite loop and physical CPU consumption by setting a VCPU with an "inappropriate deadline."...