vulnerability in zam64.sys, zam32.sys allowing ring 0 code execution. CVE-2021-31727 and CVE-2021-31728 public reference.
CVE-2021-31727 and CVE-2021-31728 Public Reference for CVE-2021-31727 Exposes unrestricted disk read/write capabilities Public Reference for CVE-2021-31728 Exposes arbitrary ring 0 code execution directly