AMD EPYC 9004 Processors/EPYC Embedded 9004 IOMMU improper validation of specified quantity in input
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 2.2 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in AMD EPYC 9004 Processors and EPYC Embedded 9004. The impacted element is an unknown function of the component IOMMU Handler. Executing a manipulation can lead to improper validation of specified quantity in input. This vulnerability is handled as CVE-2023-20581. It is possible to launch the attack on the local host. There is not any exploit available. Upgrading the affected component is advised.
Details
A vulnerability has been found in AMD EPYC 9004 Processors and EPYC Embedded 9004 (version unknown) and classified as problematic. This vulnerability affects an unknown function of the component IOMMU Handler. The manipulation with an unknown input leads to a improper validation of specified quantity in input vulnerability. The CWE definition for the vulnerability is CWE-1284. The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties. As an impact it is known to affect integrity. CVE summarizes:
Improper access control in the IOMMU may allow a privileged attacker to bypass RMP checks, potentially leading to a loss of guest memory integrity.
The advisory is shared for download at amd.com. This vulnerability was named CVE-2023-20581 since 10/27/2022. The exploitation appears to be difficult. The attack needs to be approached locally. The exploitation needs additional levels of successful authentication. There are neither technical details nor an exploit publicly available.
Upgrading eliminates this vulnerability.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 2.2VulDB Meta Temp Score: 2.2
VulDB Base Score: 1.9
VulDB Temp Score: 1.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 2.5
CNA Vector (AMD): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Improper validation of specified quantity in inputCWE: CWE-1284 / CWE-703
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
10/27/2022 🔍02/12/2025 🔍
02/12/2025 🔍
02/12/2025 🔍
Sources
Advisory: amd.comStatus: Confirmed
CVE: CVE-2023-20581 (🔍)
GCVE (CVE): GCVE-0-2023-20581
GCVE (VulDB): GCVE-100-295456
Entry
Created: 02/12/2025 08:45Changes: 02/12/2025 08:45 (61)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
No comments yet. Languages: en.
Please log in to comment.