CVE-2023-22612

An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. A malicious host OS can invoke an Insyde SMI handler with malformed arguments, resulting in memory corruption in SMM.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
mitreCNA
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CVEADP
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CISA-ADPADP
8.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 34%
VendorProductVersion
insydeinsydeh2o
05.0a.11:a.11
insydeinsydeh2o
05.18.03
insydeinsydeh2o
05.28.03
insydeinsydeh2o
05.37.03
insydeinsydeh2o
05.45.01
insydeinsydeh2o
05.53.01
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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-2023019
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-2023019