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CVE-2021-45970

HIGH
8.2

Descricao

An issue was discovered in IdeBusDxe 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 status code saved at the CommBuffer+4 location).

Detalhes CVE

Pontuacao CVSS v3.18.2
SeveridadeHIGH
Vetor CVSSCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Vetor de ataqueLOCAL
ComplexidadeLOW
Privilegios necessariosHIGH
Interacao do usuarioNONE
Publicado1/5/2022
Ultima modificacao11/4/2025
Fontenvd
Avistamentos honeypot0

Produtos afetados

insyde:insydeh2o

Fraquezas (CWE)

CWE-787

Correlacoes IOC

Sem correlacoes registradas

This product uses data from the NVD API but is not endorsed or certified by the NVD.