Products
AMD Secure Processor (SNP firmware)
Source
psirt@amd.com
Tags
CVE-2024-21980 details
Published : Aug. 5, 2024, 4:15 p.m.
Last Modified : Aug. 5, 2024, 4:15 p.m.
Last Modified : Aug. 5, 2024, 4:15 p.m.
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.
CVSS Score
| 1 | 2 | 3 | 4 | 5 | 6 | 7.9 | 8 | 9 | 10 |
|---|
Weakness
| Weakness | Name | Description |
|---|---|---|
| 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. |
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
Vector String : CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
References
| URL | Source |
|---|---|
| https://https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3011.html | psirt@amd.com |
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