CVE-2022-36338

Description

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver FwBlockServiceSmm, creating SMM, leads to arbitrary code execution. An attacker can replace the pointer to the UEFI boot service GetVariable with a pointer to malware, and then generate a software SMI.

References

https://www.insyde.com/security-pledge/SA-2022029

https://www.insyde.com/security-pledge

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3