Initial Publication Date: 2020/09/22 8:45AM PST

CVE Identifier: CVE-2020-25595

AWS is aware of Xen Security Advisory 337 released by the Xen Security team on September 22nd 2020. Nitro based instances are not affected. The issue depends on PCI devices passed through to customer instances exposing behavior outside of the PCI device specification. EC2 is not using such devices, and no customer action is required.