CVE-2022-35896 - Vulnerability Details - OpenCVE

An issue SMM memory leak vulnerability in SMM driver (SMRAM was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An attacker can dump SMRAM contents via the software SMI provided by the FvbServicesRuntimeDxe driver to read the contents of SMRAM, leading to information disclosure.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00326.

Exploitation poc

Automatable no

Technical Impact partial

Vendors	Products
Insyde Subscribe	Insydeh2o Subscribe

Configuration 1 [-]

cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2022-38769	An issue SMM memory leak vulnerability in SMM driver (SMRAM was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An attacker can dump SMRAM contents via the software SMI provided by the FvbServicesRuntimeDxe driver to read the contents of SMRAM, leading to information disclosure.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://binarly.io/advisories/BRLY-2022-025/index.html
https://www.insyde.com/security-pledge
https://www.insyde.com/security-pledge/SA-2022034

History

Tue, 10 Nov 2026 21:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-09-21T23:33:01.000Z

Updated: 2025-05-05T16:14:05.901Z

Reserved: 2022-07-15T00:00:00.000Z

Link: CVE-2022-35896

Vulnrichment

Updated: 2024-08-03T09:44:22.173Z

NVD

Status : Modified

Published: 2022-09-22T00:15:10.003

Modified: 2026-06-17T04:52:28.550

Link: CVE-2022-35896

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-20

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