What is CVE-2022-35894?

CVE-2022-35894 is a vulnerability in Insyde InsydeH2O that allows an attacker to disclose information through the SMI handler for the FwBlockServiceSmm driver.

How severe is CVE-2022-35894?

CVE-2022-35894 has a severity level of 6, which is considered medium.

What software is affected by CVE-2022-35894?

Insyde InsydeH2O versions 5.0 through 5.5 are affected by CVE-2022-35894.

How can an attacker exploit CVE-2022-35894?

An attacker can exploit CVE-2022-35894 by using an untrusted pointer to copy data to an attacker-controlled buffer, leading to information disclosure.

Are there any references related to CVE-2022-35894?

Yes, you can find more information about CVE-2022-35894 at the following references: [Reference 1](https://binarly.io/advisories/BRLY-2022-018/index.html), [Reference 2](https://www.insyde.com/security-pledge), [Reference 3](https://www.insyde.com/security-pledge/SA-2022030)

Vulnerability/
CVE-2022-35894

medium

CWE

401

22/9/2022

3/8/2024

CVE-2022-35894

First published: Thu Sep 22 2022(Updated: )

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.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Insyde InsydeH2O	>=5.0<05.09.37
Insyde InsydeH2O	>=5.1<5.17.37
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

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Frequently Asked Questions

What is CVE-2022-35894?
CVE-2022-35894 is a vulnerability in Insyde InsydeH2O that allows an attacker to disclose information through the SMI handler for the FwBlockServiceSmm driver.
How severe is CVE-2022-35894?
CVE-2022-35894 has a severity level of 6, which is considered medium.
What software is affected by CVE-2022-35894?
Insyde InsydeH2O versions 5.0 through 5.5 are affected by CVE-2022-35894.
How can an attacker exploit CVE-2022-35894?
An attacker can exploit CVE-2022-35894 by using an untrusted pointer to copy data to an attacker-controlled buffer, leading to information disclosure.
Are there any references related to CVE-2022-35894?
Yes, you can find more information about CVE-2022-35894 at the following references: [Reference 1](https://binarly.io/advisories/BRLY-2022-018/index.html), [Reference 2](https://www.insyde.com/security-pledge), [Reference 3](https://www.insyde.com/security-pledge/SA-2022030)

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vendor/insyde
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version/insyde insydeh2o/5.0
version/insyde insydeh2o/5.1
version/insyde insydeh2o/5.2
version/insyde insydeh2o/5.3
version/insyde insydeh2o/5.4
version/insyde insydeh2o/5.5

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