CVE-2023-20582

medium

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.

References

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

Details

Source: Mitre, NVD

Published: 2025-02-11

Updated: 2026-04-15

Risk Information

CVSS v2

Base Score: 3.7

Vector: CVSS2#AV:L/AC:H/Au:M/C:N/I:C/A:N

Severity: Low

CVSS v3

Base Score: 5.3

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

Severity: Medium

EPSS

EPSS: 0.00021