CVE-2023-22614 — HIGH (8.8)

Vulnerability Description

An issue was discovered in ChipsetSvcSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. There is insufficient input validation in BIOS Guard updates. An attacker can induce memory corruption in SMM by supplying malformed inputs to the BIOS Guard SMI handler.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Insyde	Insydeh2O	05.42.52.0026

Related Weaknesses (CWE)

CWE-787

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-2023020Vendor 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-2023020Vendor Advisory

FAQ

What is CVE-2023-22614?

CVE-2023-22614 is a vulnerability with a CVSS score of 8.8 (HIGH). An issue was discovered in ChipsetSvcSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. There is insufficient input validation in BIOS Guard updates. An attacker can induce memory corruption in SMM ...

How severe is CVE-2023-22614?

CVE-2023-22614 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-22614?

Check the references section above for vendor advisories and patch information. Affected products include: Insyde Insydeh2O.