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CVE-2022-33986

MEDIUM

6.4

Description

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

Details CVE

Score CVSS v3.16.4

SeveriteMEDIUM

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

Vecteur d'attaqueLOCAL

ComplexiteHIGH

Privileges requisHIGH

Interaction utilisateurNONE

Publie11/15/2022

Derniere modification4/30/2025

Sourcenvd

Observations honeypot0

Produits affectes

insyde:kernel

Faiblesses (CWE)

CWE-367CWE-367

References

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)

Correlations IOC

Aucune correlation enregistree

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