CVE-2022-35894 - Vulnerability Details - OpenCVE

Description

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. The SMI handler for the FwBlockServiceSmm driver uses an untrusted pointer as the location to copy data to an attacker-specified buffer, leading to information disclosure.

Published: 2022-09-22

Score: 6 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

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

Configuration 2 [-]

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

Configuration 3 [-]

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

Configuration 4 [-]

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

Configuration 5 [-]

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

Configuration 6 [-]

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

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2022-38767	An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. The SMI handler for the FwBlockServiceSmm driver uses an untrusted pointer as the location to copy data to an attacker-specified buffer, 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 0.00081.

Exploitation poc

Automatable no

Technical Impact partial

References

Link	Providers
https://binarly.io/advisories/BRLY-2022-018/index.html
https://www.insyde.com/security-pledge
https://www.insyde.com/security-pledge/SA-2022030

History

Mon, 05 May 2025 17:15:00 +0000

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

Subscriptions

Insyde Insydeh2o

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-09-22T17:07:10.000Z

Updated: 2025-05-05T16:14:25.982Z

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

Link: CVE-2022-35894

Vulnrichment

Updated: 2024-08-03T09:44:22.247Z

NVD

Status : Modified

Published: 2022-09-22T18:15:10.200

Modified: 2025-05-05T17:18:17.063

Link: CVE-2022-35894

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-401

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