What is the vulnerability ID for this issue in Insyde InsydeH2O?

The vulnerability ID for this issue in Insyde InsydeH2O is CVE-2022-32474.

What is the severity level of CVE-2022-32474?

The severity level of CVE-2022-32474 is high (7).

How does this vulnerability impact Insyde InsydeH2O?

This vulnerability in Insyde InsydeH2O allows DMA attacks on the StorageSecurityCommandDxe shared buffer, which could lead to corruption of SMRAM and escalation of privileges.

Which versions of Insyde InsydeH2O are affected by CVE-2022-32474?

Insyde InsydeH2O versions 5.0 through 5.5 are affected by CVE-2022-32474.

How can I mitigate the risk of CVE-2022-32474?

To mitigate the risk of CVE-2022-32474, follow the recommendations provided by Insyde in their security pledge.

Vulnerability/
CVE-2022-32474

high

CWE

367

15/2/2023

3/8/2024

CVE-2022-32474

First published: Wed Feb 15 2023(Updated: )

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the StorageSecurityCommandDxe shared buffer used by SMM and non-SMM code could cause TOCTOU race-condition issues that could lead to corruption of SMRAM and escalation of privileges. This attack can be mitigated using IOMMU protection for the ACPI runtime memory used for the command buffer. This attack can be mitigated by copying the firmware block services data to SMRAM before checking it.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Insyde InsydeH2O	>=5.0<5.0.05.09.42
Insyde InsydeH2O	>=5.1<5.1.05.17.42
Insyde InsydeH2O	>=5.2<5.2.05.27.38
Insyde InsydeH2O	>=5.3<5.3.05.36.38
Insyde InsydeH2O	>=5.4<5.4.05.44.38
Insyde InsydeH2O	>=5.5<5.5.05.52.38

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Frequently Asked Questions

What is the vulnerability ID for this issue in Insyde InsydeH2O?
The vulnerability ID for this issue in Insyde InsydeH2O is CVE-2022-32474.
What is the severity level of CVE-2022-32474?
The severity level of CVE-2022-32474 is high (7).
How does this vulnerability impact Insyde InsydeH2O?
This vulnerability in Insyde InsydeH2O allows DMA attacks on the StorageSecurityCommandDxe shared buffer, which could lead to corruption of SMRAM and escalation of privileges.
Which versions of Insyde InsydeH2O are affected by CVE-2022-32474?
Insyde InsydeH2O versions 5.0 through 5.5 are affected by CVE-2022-32474.
How can I mitigate the risk of CVE-2022-32474?
To mitigate the risk of CVE-2022-32474, follow the recommendations provided by Insyde in their security pledge.

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