CVE-2023-22614

Public Exploit

Description

An issue was discovered in ChipsetSvcSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. There is insufficient input validation in BIOS Guard updates. An attacker can induce memory corruption in SMM by supplying malformed inputs to the BIOS Guard SMI handler.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.11%
Vendor Advisory insyde.com Vendor Advisory insyde.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.insyde.com/security-pledge vendor advisory
https://www.insyde.com/security-pledge/SA-2023020 vendor advisory
https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/ third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2023-22614?
CVE-2023-22614 has been scored as a high severity vulnerability.
How to fix CVE-2023-22614?
To fix CVE-2023-22614, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-22614 being actively exploited in the wild?
It is possible that CVE-2023-22614 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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