CVE-2023-22614

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.
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: 30%
VendorProductVersion
insydeinsydeh2o
05.42.52.0026
insydeinsydeh2o
05.43.01.0026
insydeinsydeh2o
05.43.12.0056
insydeinsydeh2o
05.44.34.0054
insydeinsydeh2o
05.44.45.0015
insydeinsydeh2o
05.44.45.0028
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-2023020
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-2023020