CVE-2022-33905 - Vulnerability Details - OpenCVE

DMA transactions which are targeted at input buffers used for the AhciBusDxe software SMI handler could cause SMRAM corruption (a TOCTOU attack). DMA transactions which are targeted at input buffers used for the software SMI handler used by the AhciBusDxe driver could cause SMRAM corruption through a TOCTOU attack. This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group, Fixed in kernel 5.2: 05.27.23, kernel 5.3: 05.36.23, kernel 5.4: 05.44.23, kernel 5.5: 05.52.23 https://www.insyde.com/security-pledge/SA-2022047

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Insyde	Kernel

Configuration 1 [-]

OR	cpe:2.3:a:insyde:kernel::::::::
	cpe:2.3:a:insyde:kernel::::::::
	cpe:2.3:a:insyde:kernel::::::::
	cpe:2.3:a:insyde:kernel::::::::

No data.

References

Link	Providers
https://www.insyde.com/security-pledge
https://www.insyde.com/security-pledge/SA-2022047

History

Wed, 30 Apr 2025 20:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-11-14T00:00:00.000Z

Updated: 2025-04-30T19:06:39.016Z

Reserved: 2022-06-17T00:00:00.000Z

Link: CVE-2022-33905

Vulnrichment

Updated: 2024-08-03T08:09:22.693Z

NVD

Status : Modified

Published: 2022-11-15T00:15:11.770

Modified: 2025-04-30T19:15:49.283

Link: CVE-2022-33905

Redhat

No data.

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