An attacker could send a specially crafted D3DKMTCreateAllocation API request to cause an out-of-bounds read in Windows OS kernel memory area. This vulnerability could be triggered from a guest account. The vulnerability affects the AMD ATIKMDAG.SYS driver, version 26.20.2029.27017. Piotr Bania of Cisco Talos discovered this vulnerability. An update is now available for some graphics cards with the latest version of the software.”]
Source: https://blog.talosintelligence.com/2020/10/vuln-spotlight-amd-driver-dos-escape-oct-2020.html