CVE-2023-20582

Published: Feb 11, 2025Modified: Jun 17, 2026Deferred

5.3

Vector

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

Exploitability: 0.8 / Impact: 4.0

Source: psirt@amd.com (Secondary)

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.

Related CWEs

CWE-1284

Improper Validation of Specified Quantity in Input

The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.

References (2)

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

Source: psirt@amd.com

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

Source: psirt@amd.com

Timeline

No history available yet.