CVE-2023-22614

HighCVSS 8.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/Exploit, Third 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/Exploit, Third Party Advisory
https://www.insyde.com/security-pledgeVendor Advisory
https://www.insyde.com/security-pledge/SA-2023020Vendor Advisory

Timeline

Published: Apr 11, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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