CVE-2023-20582 – AMD SEV-SNP IOMMU Page Table Entry Fault Bypass

The following table lists the changes that have been made to the
CVE-2023-20582 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Feb. 11, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
    Added CWE CWE-1284
    Added Reference https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3009.html
    Added Reference https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html
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