CVE-2023-20582

Description

Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory integrity.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Affected: AMD AMD EPYC™ 9004 Processors
Affected: AMD AMD EPYC™ Embedded 9004
Published at:
Updated at:

References

Link Tags
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3009.html

Frequently Asked Questions

What is the severity of CVE-2023-20582?
CVE-2023-20582 has been scored as a medium severity vulnerability.
How to fix CVE-2023-20582?
To fix CVE-2023-20582, 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-2023-20582 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-20582 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-2023-20582?
CVE-2023-20582 affects AMD AMD EPYC™ 9004 Processors, AMD AMD EPYC™ Embedded 9004.
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