What is CVE-2023-20582?

CVE-2023-20582 is a medium-severity vulnerability in Amd Epyc™ 9004 Processors, classified under Improper Validation of Specified Quantity in Input. CVSS score: 5.3/10. Published 2025-02-11.

How severe is CVE-2023-20582?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Amd Epyc™ 9004 Processors

CVE-2023-20582

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.

EPSS: 0.000 (0.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N.

Affected products

Amd Epyc™ 9004 Processors — versions GenoaPI 1.0.0.C, SEV FW1.55.36
Amd Epyc™ Embedded 9004 — versions EmbGenoaPI-SP5 1.0.0.7

Weakness classification (CWE)

CWE-1284 — Improper Validation of Specified Quantity in Input

References

Frequently asked questions

What is CVE-2023-20582?: CVE-2023-20582 is a medium-severity vulnerability in Amd Epyc™ 9004 Processors, classified under Improper Validation of Specified Quantity in Input. CVSS score: 5.3/10. Published 2025-02-11.
How severe is CVE-2023-20582?: Medium severity. CVSS v3 base score is 5.3 out of 10.