CVE-2023-22615

Description

An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. IHISI subfunction execution may corrupt SMRAM. An attacker can pass an address in the RCX save state register that overlaps SMRAM, thereby coercing an IHISI subfunction handler to overwrite private SMRAM.

Category

8.4
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.17%
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-2023021 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-22615?
CVE-2023-22615 has been scored as a high severity vulnerability.
How to fix CVE-2023-22615?
To fix CVE-2023-22615, 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-2023-22615 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-22615 is being actively exploited. 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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