DEBIAN-CVE-2020-25601

An issue was discovered in Xen through 4.14.x. There is a lack of preemption in evtchnreset / evtchndestroy. In particular, the FIFO event channel model allows guests to have a large number of event channels active at a time. Closing all of these when resetting all event channels or when cleaning...

ALPINE-CVE-2020-25601

An issue was discovered in Xen through 4.14.x. There is a lack of preemption in evtchnreset / evtchndestroy. In particular, the FIFO event channel model allows guests to have a large number of event channels active at a time. Closing all of these when resetting all event channels or when cleaning...

PT-2020-16118

Name of the Vulnerable Software and Affected Versions Xen versions prior to 4.14.x Description An issue in Xen allows malicious or buggy guest kernels to mount a Denial of Service DoS attack affecting the entire system. The problem arises from a lack of preemption in evtchn reset / evtchn destroy...

Xen Information Disclosure Vulnerability (CNVD-2020-53818)

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. Xen is vulnerable to a code issue. The...