CVE-2024-21980

Aug. 5, 2024, 4:15 p.m.

7.9
High

Description

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in loss of confidentiality and integrity.

Product(s) Impacted

Product Versions
AMD Secure Processor (SNP firmware)

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.

References

https://https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3011.html

Tags

CWE-119
psirt@amd.com
2024-08-05
CVE-2024-21980

CVSS Score

7.9 / 10

CVSS Data - 3.1

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

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

    View Vector String

Timeline

Published: Aug. 5, 2024, 4:15 p.m.
Last Modified: Aug. 5, 2024, 4:15 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.