CVE-2022-35895: High severity insyde h2o vulnerability

Published Sep 21, 2022
·
Updated

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. The FwBlockSericceSmm driver does not properly validate input parameters for a software SMI routine, leading to memory corruption of arbitrary addresses including SMRAM, and possible arbitrary code execution.

Affected Software

6 affected components
Insyde InsydeH2O>=5.0<05.09.37
Insyde InsydeH2O>=5.1<05.17.37
Insyde InsydeH2O>=5.2<05.27.29
Insyde InsydeH2O>=5.3<05.36.29
Insyde InsydeH2O>=5.4<05.44.29
Insyde InsydeH2O>=5.5<05.52.29

Event History

Sep 21, 2022
CVE Published
via MITRE·08:36 PM
Data Sourced
via MITRE·08:36 PM
Description
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is CVE-2022-35895?

CVE-2022-35895 is a vulnerability discovered in Insyde InsydeH2O with kernel 5.0 through 5.5 that allows for memory corruption and possible arbitrary code execution.

2

How does CVE-2022-35895 affect Insyde InsydeH2O?

CVE-2022-35895 affects Insyde InsydeH2O versions 5.0 through 5.5.

3

What is the severity of CVE-2022-35895?

The severity of CVE-2022-35895 is high with a CVSS score of 8.2.

4

How can the CVE-2022-35895 vulnerability be fixed?

To fix the CVE-2022-35895 vulnerability, update Insyde InsydeH2O to a version that is not affected by the vulnerability.

5

Where can I find more information about CVE-2022-35895?

You can find more information about CVE-2022-35895 at the following references: [Reference 1](https://binarly.io/advisories/BRLY-2022-024/index.html), [Reference 2](https://www.insyde.com/security-pledge), [Reference 3](https://www.insyde.com/security-pledge/SA-2022033).

Contact

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