CVE-2023-20584

Aug. 13, 2024, 5:15 p.m.

5.3
Medium

Description

IOMMU improperly handles certain special address ranges with invalid device table entries (DTEs), which may allow an attacker with privileges and a compromised Hypervisor to induce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest integrity.

Product(s) Impacted

Product Versions
AMD Secure Encrypted Virtualization (SEV-SNP) technology
  • []

Weaknesses

Common security weaknesses mapped to this vulnerability.

References

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html

Tags

psirt@amd.com
2024-08-13
CVE-2023-20584

CVSS Score

5.3 / 10

CVSS Data - 3.1

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

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

    View Vector String

Timeline

Published: Aug. 13, 2024, 5:15 p.m.
Last Modified: Aug. 13, 2024, 5:15 p.m.

Status : Received

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.