Vulnerability Description
An issue was discovered in Insyde InsydeH2O with kernel 5.2 through 5.5. The Save State register is not checked before use. The IhisiSmm driver does not check the value of a save state register before use. Due to insufficient input validation, an attacker can corrupt SMRAM.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Insyde | Insydeh2O | >= 5.2, <= 5.5 |
Related Weaknesses (CWE)
References
- https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/ExploitThird Party Advisory
- https://www.insyde.com/security-pledgeVendor Advisory
- https://www.insyde.com/security-pledge/SA-2023022Vendor Advisory
- https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/ExploitThird Party Advisory
- https://www.insyde.com/security-pledgeVendor Advisory
- https://www.insyde.com/security-pledge/SA-2023022Vendor Advisory
FAQ
What is CVE-2023-22616?
CVE-2023-22616 is a vulnerability with a CVSS score of 7.8 (HIGH). An issue was discovered in Insyde InsydeH2O with kernel 5.2 through 5.5. The Save State register is not checked before use. The IhisiSmm driver does not check the value of a save state register before...
How severe is CVE-2023-22616?
CVE-2023-22616 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-22616?
Check the references section above for vendor advisories and patch information. Affected products include: Insyde Insydeh2O.