Products
AMD Secure Encrypted Virtualization (SEV-SNP) technology
Source
psirt@amd.com
Tags
CVE-2023-20584 details
Published : Aug. 13, 2024, 5:15 p.m.
Last Modified : Aug. 13, 2024, 5:15 p.m.
Last Modified : Aug. 13, 2024, 5:15 p.m.
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.
CVSS Score
| 1 | 2 | 3 | 4 | 5.3 | 6 | 7 | 8 | 9 | 10 |
|---|
Weakness
| Weakness | Name | Description |
|---|
CVSS Data
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Base Score
5.3
Exploitability Score
0.8
Impact Score
4.0
Base Severity
MEDIUM
Vector String : CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
References
| URL | Source |
|---|---|
| https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html | psirt@amd.com |
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