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CVE-2022-33986
MEDIUM6.4
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
CVE Details
CVSS v3.1 Score6.4
SeverityMEDIUM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack VectorLOCAL
ComplexityHIGH
Privileges RequiredHIGH
User InteractionNONE
Published11/15/2022
Last Modified4/30/2025
Sourcenvd
Honeypot Sightings0
Affected Products
insyde:kernel
Weaknesses (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)
IOC Correlations
No correlations recorded
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