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...

Authentication Implications in Uniquely Identifiable Graphics Cards

Researchers working on the “physically unclonable functions found in standard PC components PUFFIN project” announced last week that widely used graphics processors could be the next step in online authentication. PUFFIN is a joint project between Technische Universiteit Eindhoven in the...