Related Vulnerabilities: CVE-2021-26316  

DescriptionA flaw was found in hw. Failure to validate the BIOS's communication buffer and communication service may allow an attacker to tamper with the buffer, resulting in potential System Management Mode (SMM) arbitrary code execution.A flaw was found in hw. Failure to validate the BIOS's communication buffer and communication service may allow an attacker to tamper with the buffer, resulting in potential System Management Mode (SMM) arbitrary code execution.

Affected Packages and Issued Red Hat Security Errata

Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.