Vulnerabilities fixed in Xen

Xen's developers have fixed vulnerabilities in Xen. The vulnerabilities are located in the xenstored and allow a malicious with rights to deploy and configure guest images through rogue guests to cause a Denial-of-Service, or potentially gain access to memory of other guest systems and thus...

Rogue guests can cause DoS of Dom0 via high frequency events

ISSUE DESCRIPTION The handling of Xen events in the Linux kernel runs with interrupts disabled in a loop until no further event is pending. Whenever an event has been accepted by the kernel, another event can come in via the same event channel. This can result in the event handling loop running f...