CVE-2023-22614

moderate-risk
Published 2023-04-11

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.

Do I need to act?

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0.17% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
LOCAL / LOW complexity

Affected Products (6)

Affected Vendors

Insyde

References (6)

Exploit https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/
Vendor Advisory https://www.insyde.com/security-pledge
Vendor Advisory https://www.insyde.com/security-pledge/SA-2023020
Exploit https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/
Vendor Advisory https://www.insyde.com/security-pledge
Vendor Advisory https://www.insyde.com/security-pledge/SA-2023020
41
/ 100
moderate-risk
Severity 27/34 · High
Exploitability 1/34 · Minimal
Exposure 13/34 · Low