CVE-2022-35895

Public Exploit

Description

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. The FwBlockSericceSmm driver does not properly validate input parameters for a software SMI routine, leading to memory corruption of arbitrary addresses including SMRAM, and possible arbitrary code execution.

Category

8.2
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.07%
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://binarly.io/advisories/BRLY-2022-024/index.html third party advisory exploit
https://www.insyde.com/security-pledge/SA-2022033 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-35895?
CVE-2022-35895 has been scored as a high severity vulnerability.
How to fix CVE-2022-35895?
To fix CVE-2022-35895, 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-2022-35895 being actively exploited in the wild?
It is possible that CVE-2022-35895 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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