CVE-2023-20582

CVSS 5.3 MEDIUMEPSS 0.2%CWE-1284

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.3EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

11 Feb 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

AMD · AMD EPYC™ 9004 Processors AMD · AMD EPYC™ Embedded 9004

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References

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