FKIE_CVE-2026-0001
Vulnerability from fkie_nvd - Published: 2026-09-08 15:18 - Updated: 2026-09-08 15:24
Severity
Summary
Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform valid GPU memory processing operations to access already freed memory.
This issue affects Bifrost GPU Kernel Driver: from r41p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0.
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Bifrost GPU Kernel Driver",
"vendor": "Arm Ltd",
"versions": [
{
"lessThanOrEqual": "r49p5",
"status": "affected",
"version": "r41p0",
"versionType": "patch"
},
{
"lessThanOrEqual": "r51p0",
"status": "affected",
"version": "r50p0",
"versionType": "patch"
},
{
"lessThanOrEqual": "r54p2",
"status": "affected",
"version": "r54p1",
"versionType": "patch"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Valhall GPU Kernel Driver",
"vendor": "Arm Ltd",
"versions": [
{
"lessThanOrEqual": "r49p5",
"status": "affected",
"version": "r41p0",
"versionType": "patch"
},
{
"lessThanOrEqual": "r54p3",
"status": "affected",
"version": "r50p0",
"versionType": "patch"
},
{
"status": "affected",
"version": "r55p0",
"versionType": "patch"
},
{
"status": "unaffected",
"version": "r56p0",
"versionType": "patch"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Arm 5th Gen GPU Architecture Kernel Driver",
"vendor": "Arm Ltd",
"versions": [
{
"lessThanOrEqual": "r49p5",
"status": "affected",
"version": "r41p0",
"versionType": "patch"
},
{
"lessThanOrEqual": "r54p3",
"status": "affected",
"version": "r50p0",
"versionType": "patch"
},
{
"status": "affected",
"version": "r55p0",
"versionType": "patch"
},
{
"status": "unaffected",
"version": "r56p0",
"versionType": "patch"
}
]
}
],
"source": "arm-security@arm.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform valid GPU memory processing operations to access already freed memory.\n\n\n\nThis issue affects Bifrost GPU Kernel Driver: from r41p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0."
}
],
"id": "CVE-2026-0001",
"lastModified": "2026-09-08T15:24:07.790",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 4.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 2.5,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-0001",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-08T14:36:33.816864Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-09-08T15:18:39.773",
"references": [
{
"source": "arm-security@arm.com",
"url": "https://support.arm.com/documentation/111552/1-0/?lang=en"
}
],
"sourceIdentifier": "arm-security@arm.com",
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"source": "arm-security@arm.com",
"type": "Secondary"
}
]
}
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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.
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.
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