CVE-2023-20582

Feb. 11, 2025, 10:15 p.m.

5.3
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.

Product(s) Impacted

Product Versions
AMD Processor

Weaknesses

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

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

Tags

CWE-1284
psirt@amd.com
2025-02-11
CVE-2023-20582

CVSS Score

5.3 / 10

CVSS Data

  • Attack Vector: LOCAL
  • Attack Complexity: HIGH
  • Privileges Required: HIGH
  • Scope: CHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: HIGH
  • Availability Impact: NONE
    • View Vector String

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

Date

  • Published: Feb. 11, 2025, 10:15 p.m.
  • Last Modified: Feb. 11, 2025, 10:15 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

psirt@amd.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.