What’s Vulnerable › Vulnerabilities

CVE-2023-22612

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-04-11 · updated 2026-06-17
• Weakness: CWE-787

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.

Affected products

• Insydeh2O: 05.0a.11, 05.18.03, 05.28.03, 05.37.03, 05.45.01, 05.53.01

References

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

Get alerted when CVE-2023-22612 or the next vulnerability affects your stack