Vulnerability Monitor

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CVE-2022-35894

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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.0, requiring local system access to exploit with relatively low complexity without requiring user interaction . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 1 product from insyde organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2022, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2022-09-22T18:15:10.200

Last Modified

2025-05-05T17:18:17.063

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.0 (MEDIUM)

Weaknesses

Type: Primary
CWE-401
Type: Secondary
CWE-401

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	insyde	insydeh2o	< 05.09.37	Yes
Application	insyde	insydeh2o	< 5.17.37	Yes
Application	insyde	insydeh2o	< 05.27.29	Yes
Application	insyde	insydeh2o	< 05.36.29	Yes
Application	insyde	insydeh2o	< 05.44.29	Yes
Application	insyde	insydeh2o	< 05.52.29	Yes

References

https://binarly.io/advisories/BRLY-2022-018/index.html Exploit, Third Party Advisory ([email protected])
https://www.insyde.com/security-pledge Vendor Advisory ([email protected])
https://www.insyde.com/security-pledge/SA-2022030 Vendor Advisory ([email protected])
https://binarly.io/advisories/BRLY-2022-018/index.html Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.insyde.com/security-pledge Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.insyde.com/security-pledge/SA-2022030 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For insyde's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.