CVE-2023-22612 Information

Description

An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. A malicious host OS can invoke an Insyde SMI handler with malformed arguments resulting in memory corruption in SMM.

Reference

https://www.insyde.com/security-pledge/SA-2023019 https://www.insyde.com/security-pledge https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/