CVE-2023-31326 (GCVE-0-2023-31326)
Vulnerability from cvelistv5 – Published: 2025-09-06 16:48 – Updated: 2025-09-08 20:04
VLAI
EPSS
VEX
Summary
Use of an uninitialized variable in the ASP could allow an attacker to access leftover data from a trusted execution environment (TEE) driver, potentially leading to loss of confidentiality.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-08 20:04 UTC
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
Impacted products
15 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| AMD | AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics |
Unaffected:
Cezanne-FP6_1.0.1.0
|
guessed | |
| AMD | AMD Ryzen™ 7030 Series Mobile processors with Radeon™ Graphics |
Unaffected:
Cezanne-FP6_1.0.1.0
|
guessed | |
| AMD | AMD Ryzen™ 4000 Series Desktop Processors |
Unaffected:
ComboAM4v2PI_1.2.0.CA
|
guessed | |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors |
Unaffected:
ComboAM4v2PI_1.2.0.CA
|
guessed | |
| AMD | AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics |
Unaffected:
PhoenixPI-FP8-FP7_1.1.0.2
|
guessed | |
| AMD | AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics |
Unaffected:
Renoir-FP6_ 1.0.0.D
|
guessed | |
| AMD | AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics |
Unaffected:
Rembrandt-FP7_1.0.0.A
|
guessed | |
| AMD | AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics |
Unaffected:
MendocinoPI-FT6_1.0.0.6
|
guessed | |
| AMD | AMD Ryzen™ Embedded V2000 Series Processors |
Unaffected:
EmbeddedPI-FP6_1.0.0.A
|
guessed | |
| AMD | AMD Ryzen™ Embedded V3000 Series Processors |
Unaffected:
Embedded-PI_FP7r2 1009
|
guessed | |
| AMD | AMD Radeon™ RX 7000 Series Graphics Products |
Unaffected:
AMD Software: Adrenalin Edition 24.7.1 (24.10.29.01)
|
guessed | |
| AMD | AMD Radeon™ PRO W7000 Series Graphics Products |
Unaffected:
AMD Software: PRO Edition 24.Q2 (24.10.20)
|
guessed | |
| AMD | AMD Instinct™ MI210 |
Unaffected:
ROCm 6.4
|
guessed | |
| AMD | AMD Instinct™ MI250 |
Unaffected:
ROCm 6.4
|
guessed | |
| AMD | AMD Radeon™ PRO V710 Graphics Products |
Unaffected:
Contact your AMD Customer Engineering representative
|
guessed |
Date Public
2025-09-06 16:27
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"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-457",
"description": "CWE-457 Use of Uninitialized Variable",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-09-06T16:48:43.991Z",
"orgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
"shortName": "AMD"
},
"references": [
{
"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html"
},
{
"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html"
},
{
"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "AMD PSIRT Automation 1.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
"assignerShortName": "AMD",
"cveId": "CVE-2023-31326",
"datePublished": "2025-09-06T16:48:43.991Z",
"dateReserved": "2023-04-27T15:25:41.424Z",
"dateUpdated": "2025-09-08T20:04:43.607Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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