CVE-2023-22612

HIGHCVSS 8.8/10EPSS 0.23%

Last modified

CVE-2023-22612 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. A malicious host OS can invoke an Insyde SMI handler with malformed arguments, resulting in memory corruption in SMM.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. A malicious host OS can invoke an Insyde SMI handler with malformed arguments, resulting in memory corruption in SMM.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS Probability
0.23%

13.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
InsydeInsydeh2o05.0a.11
InsydeInsydeh2o05.18.03
InsydeInsydeh2o05.28.03
InsydeInsydeh2o05.37.03
InsydeInsydeh2o05.45.01
InsydeInsydeh2o05.53.01

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-22612?
An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. A malicious host OS can invoke an Insyde SMI handler with malformed arguments, resulting in memory corruption in SMM.
How severe is CVE-2023-22612?
CVE-2023-22612 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.
How do I fix CVE-2023-22612?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-22612?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST