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CVE-2021-45969
HIGH8.2
Description
An issue was discovered in AhciBusDxe in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer (the CommBuffer+8 location).
CVE Details
CVSS v3.1 Score8.2
SeverityHIGH
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack VectorLOCAL
ComplexityLOW
Privileges RequiredHIGH
User InteractionNONE
Published1/5/2022
Last Modified11/4/2025
Sourcenvd
Honeypot Sightings0
Affected Products
insyde:insydeh2o
Weaknesses (CWE)
CWE-787
References
https://security.netapp.com/advisory/ntap-20220216-0004/(cve@mitre.org)
https://www.insyde.com/security-pledge(cve@mitre.org)
https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf(af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20220216-0004/(af854a3a-2127-422b-91ae-364da2661108)
https://www.insyde.com/security-pledge(af854a3a-2127-422b-91ae-364da2661108)
https://www.kb.cert.org/vuls/id/796611(af854a3a-2127-422b-91ae-364da2661108)
IOC Correlations
No correlations recorded
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