CVE-2022-36337: Buffer Overflow

Published Nov 23, 2022
·
Updated

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. A stack buffer overflow vulnerability in the MebxConfiguration driver leads to arbitrary code execution. Control of a UEFI variable under the OS can cause this overflow when read by BIOS code.

Affected Software

1 affected component
Insyde kernel>=5.0<=5.5

Event History

Nov 23, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
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Frequently Asked Questions

1

What is CVE-2022-36337?

CVE-2022-36337 is a vulnerability in Insyde InsydeH2O with kernel 5.0 through 5.5 that allows for a stack buffer overflow and arbitrary code execution.

2

How does CVE-2022-36337 affect InsydeH2O?

CVE-2022-36337 affects InsydeH2O with kernel 5.0 through 5.5 by exploiting a stack buffer overflow vulnerability in the MebxConfiguration driver, resulting in arbitrary code execution.

3

What is the severity of CVE-2022-36337?

CVE-2022-36337 has a severity rating of 8.2 out of 10, indicating a high risk.

4

How can I fix CVE-2022-36337?

To fix CVE-2022-36337, it is recommended to apply the latest security patches and updates provided by Insyde, and follow their security guidelines.

5

Are there any references for CVE-2022-36337?

Yes, you can find references for CVE-2022-36337 at the following links: [Link 1](https://www.insyde.com/security-pledge) and [Link 2](https://www.insyde.com/security-pledge/SA-2022039).

Contact

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