AMD-SEV: Platform DH key recovery via invalid curve attack (CVE-2019-9836)

[…]Through ongoing collaboration with industry researchers AMD became aware that, if using the user-selectable AMD secure encryption feature on a virtual machine running the Linux operating system, an encryption key could be compromised by manipulating the encryption technology’s behavior.[…]

This vulnerability was discovered and reported to AMD by Cfir Cohen of the
Google Cloud security team.

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9836