CVE-2022-36448 - Vulnerability Details - OpenCVE

Description

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. There is an SMM memory corruption vulnerability in the Software SMI handler in the PnpSmm driver.

Published: 2022-09-28

Score: 8.2 High

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:*:*:*:*:*:*:*:*

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-2022-39157	An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. There is an SMM memory corruption vulnerability in the Software SMI handler in the PnpSmm driver.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Changed

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.

The EPSS score is 0.00078.

Exploitation poc

Automatable no

Technical Impact total

References

Link	Providers
https://binarly.io/advisories/BRLY-2022-023/index.html
https://www.insyde.com/security-pledge
https://www.insyde.com/security-pledge/SA-2022032

History

Wed, 21 May 2025 15:15:00 +0000

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

Subscriptions

Insyde Insydeh2o

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-09-28T15:50:09.000Z

Updated: 2025-05-21T14:26:24.754Z

Reserved: 2022-07-25T00:00:00.000Z

Link: CVE-2022-36448

Vulnrichment

Updated: 2024-08-03T10:07:33.918Z

NVD

Status : Modified

Published: 2022-09-28T16:15:11.840

Modified: 2025-05-21T15:15:57.090

Link: CVE-2022-36448

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-20

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