← Voltar para CVEs

CVE-2022-33986

MEDIUM

6.4

Descricao

DMA attacks on the parameter buffer used by the VariableRuntimeDxe software SMI handler could lead to a TOCTOU attack. DMA attacks on the parameter buffer used by the software SMI handler used by the driver VariableRuntimeDxe could lead to a TOCTOU attack on the SMI handler and lead to corruption of SMRAM. This issue was discovered by Insyde engineering during a security review. This issue is fixed in Kernel 5.4: 05.44.23 and Kernel 5.5: 05.52.23. CWE-367 CWE-367 Report at: https://www.insyde.com/security-pledge/SA-2022056

Detalhes CVE

Pontuacao CVSS v3.16.4

SeveridadeMEDIUM

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

Vetor de ataqueLOCAL

ComplexidadeHIGH

Privilegios necessariosHIGH

Interacao do usuarioNONE

Publicado11/15/2022

Ultima modificacao4/30/2025

Fontenvd

Avistamentos honeypot0

Produtos afetados

insyde:kernel

Fraquezas (CWE)

CWE-367CWE-367

Referencias

https://www.insyde.com/security-pledge(cve@mitre.org)

https://www.insyde.com/security-pledge/SA-2022056(cve@mitre.org)

https://www.insyde.com/security-pledge(af854a3a-2127-422b-91ae-364da2661108)

https://www.insyde.com/security-pledge/SA-2022056(af854a3a-2127-422b-91ae-364da2661108)

Correlacoes IOC

Sem correlacoes registradas

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