CVE-2023-22613: High severity insyde h2o vulnerability

Published Apr 11, 2023
·
Updated

An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. It is possible to write to an attacker-controlled address. An attacker could invoke an SMI handler with a malformed pointer in RCX that overlaps SMRAM, resulting in SMM memory corruption.

Affected Software

4 affected components
Insyde InsydeH2O=05.27.37
Insyde InsydeH2O=05.36.37
Insyde InsydeH2O=05.44.45
Insyde InsydeH2O=05.52.45

Event History

Apr 11, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2023-22613?

The severity of CVE-2023-22613 is high with a severity value of 8.8.

2

How does CVE-2023-22613 impact Insyde InsydeH2O?

CVE-2023-22613 allows an attacker to write to an attacker-controlled address in Insyde InsydeH2O with kernel versions 5.0 through 5.5, resulting in SMM memory corruption.

3

Is there a fix available for CVE-2023-22613?

Yes, Insyde has released patches to address the vulnerability. Please refer to their security pledge for more information.

4

Where can I find more information about CVE-2023-22613?

You can find more information about CVE-2023-22613 in the following references: [link 1], [link 2], [link 3].

5

What is the Common Weakness Enumeration (CWE) ID for CVE-2023-22613?

The Common Weakness Enumeration (CWE) ID for CVE-2023-22613 is CWE-787.

Contact

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