CVE-2023-20592

Description

Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU leading to a potential loss of guest virtual machine (VM) memory integrity.

6.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.37%

Vendor Advisory amd.com

Affected: AMD 1st Gen AMD EPYC™ Processors

Affected: AMD 2nd Gen AMD EPYC™ Processors

Affected: AMD 3rd Gen AMD EPYC™ Processors

References

Link	Tags
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3005	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-20592?: CVE-2023-20592 has been scored as a medium severity vulnerability.
How to fix CVE-2023-20592?: To fix CVE-2023-20592, 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-2023-20592 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-20592 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.
What software or system is affected by CVE-2023-20592?: CVE-2023-20592 affects AMD 1st Gen AMD EPYC™ Processors, AMD 2nd Gen AMD EPYC™ Processors, AMD 3rd Gen AMD EPYC™ Processors .

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