CVE-2023-22616: Input Validation
First published: Wed Apr 12 2023(Updated: )
An issue was discovered in Insyde InsydeH2O with kernel 5.2 through 5.5. The Save State register is not checked before use. The IhisiSmm driver does not check the value of a save state register before use. Due to insufficient input validation, an attacker can corrupt SMRAM.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Insyde InsydeH2O | >=5.2<=5.5 |
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Reference Links
Frequently Asked Questions
What is CVE-2023-22616?
CVE-2023-22616 is a vulnerability in Insyde InsydeH2O with kernel versions 5.2 through 5.5 that allows an attacker to corrupt SMRAM.
How severe is CVE-2023-22616?
CVE-2023-22616 has a severity score of 7.8, which is considered high.
Which software is affected by CVE-2023-22616?
The Insyde InsydeH2O software with kernel versions 5.2 through 5.5 is affected by CVE-2023-22616.
How can CVE-2023-22616 be exploited?
An attacker can exploit CVE-2023-22616 by taking advantage of the Save State register that is not checked before use in the IhisiSmm driver.
Are there any references available for CVE-2023-22616?
Yes, you can find more information about CVE-2023-22616 at the following references: [Link 1](https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/), [Link 2](https://www.insyde.com/security-pledge), [Link 3](https://www.insyde.com/security-pledge/SA-2023022).
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