Vulnerability Details CVE-2023-22612
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 34.4%
CVSS Severity
CVSS v3 Score 8.8
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
Products affected by CVE-2023-22612
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cpe:2.3:a:insyde:insydeh2o:05.0a.11
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cpe:2.3:a:insyde:insydeh2o:05.18.03
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cpe:2.3:a:insyde:insydeh2o:05.28.03
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cpe:2.3:a:insyde:insydeh2o:05.37.03
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cpe:2.3:a:insyde:insydeh2o:05.45.01
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cpe:2.3:a:insyde:insydeh2o:05.53.01