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CVE-2021-45971

HIGH

8.2

Description

An issue was discovered in SdHostDriver 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 (CommBufferData).

Details CVE

Score CVSS v3.18.2

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Vecteur d'attaqueLOCAL

ComplexiteLOW

Privileges requisHIGH

Interaction utilisateurNONE

Publie1/6/2022

Derniere modification11/4/2025

Sourcenvd

Observations honeypot0

Produits affectes

insyde:insydeh2o

Faiblesses (CWE)

CWE-787

References

https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf(cve@mitre.org)

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)

Correlations IOC

Aucune correlation enregistree

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