Denial of Service in Unified Shader Compiler in Intel Graphics Drivers before 10.18.x.5056 (aka 15.33.x.5056), 10.18.x.5057 (aka 15.36.x.5057) and 20.19.x.5058 (aka 15.40.x.5058) may allow an unprivileged user from a virtual machine guest to potentially crash the host system via local access.
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00166.html
https://support.apple.com/kb/HT210722
https://support.apple.com/kb/HT210634
http://www.securityfocus.com/bid/105582