Vulnerability Details CVE-2023-22613
An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. It is possible to write to an attacker-controlled address. An attacker could invoke an SMI handler with a malformed pointer in RCX that overlaps SMRAM, resulting in SMM memory corruption.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 22.6%
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-2023023
- 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-2023023
Products affected by CVE-2023-22613
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cpe:2.3:a:insyde:insydeh2o:05.27.37
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cpe:2.3:a:insyde:insydeh2o:05.36.37
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cpe:2.3:a:insyde:insydeh2o:05.44.45
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cpe:2.3:a:insyde:insydeh2o:05.52.45