CVE-2023-20548 (GCVE-0-2023-20548)
Vulnerability from cvelistv5 – Published: 2026-02-11 14:35 – Updated: 2026-02-11 15:42
VLAI
EPSS
VEX
Summary
A Time-of-check time-of-use (TOCTOU) race condition in the AMD Secure Processor (ASP) could allow an attacker to corrupt memory resulting in loss of integrity, confidentiality, or availability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-11 15:36 UTC
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
1 reference
Impacted products
8 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| AMD | AMD Radeon™ RX 5000 Series Graphics Products |
Unaffected:
AMD Software: Adrenalin Edition 25.6.1 (25.10.13.01), AMD Software: PRO Edition 25.Q2 (25.10.10)
|
guessed | |
| AMD | AMD Radeon™ PRO W5000 Series Graphics Products |
Unaffected:
AMD Software: Adrenalin Edition 25.6.1 (25.10.13.01), AMD Software: PRO Edition 25.Q2 (25.10.10)
|
guessed | |
| AMD | AMD Radeon™ VII |
Unaffected:
No fix planned
|
guessed | |
| AMD | AMD Radeon™ PRO VII |
Unaffected:
No fix planned
|
guessed | |
| AMD | AMD Instinct™ MI210 |
Unaffected:
ROCm 6.2
|
guessed | |
| AMD | AMD Instinct™ MI250 |
Unaffected:
ROCm 6.2
|
guessed | |
| AMD | AMD Instinct™ MI300X |
Unaffected:
ROCm 6.2
|
guessed | |
| AMD | AMD Instinct™ MI300A |
Unaffected:
ROCm 6.2
|
guessed |
Date Public
2026-02-11 14:11
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"version": "AMD Software: Adrenalin Edition 25.6.1 (25.10.13.01), AMD Software: PRO Edition 25.Q2 (25.10.10)"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Radeon\u2122 VII",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "No fix planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Radeon\u2122 PRO VII",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "No fix planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Instinct\u2122 MI210",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "ROCm 6.2"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Instinct\u2122 MI250",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "ROCm 6.2"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Instinct\u2122 MI300X",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "ROCm 6.2"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Instinct\u2122 MI300A",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "ROCm 6.2"
}
]
}
],
"datePublic": "2026-02-11T14:11:10.415Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "A Time-of-check time-of-use (TOCTOU) race condition in the AMD Secure Processor (ASP) could allow an attacker to corrupt memory resulting in loss of integrity, confidentiality, or availability.\u003cbr\u003e"
}
],
"value": "A Time-of-check time-of-use (TOCTOU) race condition in the AMD Secure Processor (ASP) could allow an attacker to corrupt memory resulting in loss of integrity, confidentiality, or availability."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L",
"version": "4.0"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-367",
"description": "CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-02-11T14:35:16.063Z",
"orgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
"shortName": "AMD"
},
"references": [
{
"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6024.html"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "AMD PSIRT Automation 1.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
"assignerShortName": "AMD",
"cveId": "CVE-2023-20548",
"datePublished": "2026-02-11T14:35:16.063Z",
"dateReserved": "2022-10-27T18:53:39.744Z",
"dateUpdated": "2026-02-11T15:42:32.097Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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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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