CVE-2024-21980

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

Tags

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

CVSS Score

7.9 / 10

Product(s) Impacted

AMD Secure Processor (SNP firmware)

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.

Weaknesses

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.

CWE ID: 119

Date

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

CVSS Data

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

Base Score
7.9
Exploitability Score
1.5
Impact Score
5.8
Base Severity
HIGH
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

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

References

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