Vulnerability-Lookup

CVE-2026-9040 (GCVE-0-2026-9040)

Vulnerability from cvelistv5 – Published: 2026-09-08 14:21 – Updated: 2026-09-10 17:55

Title

Mali GPU Kernel Driver allows denial of service or disclosure of sensitive information

Summary

A race condition 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 improper GPU memory processing operations to cause a denial of service or disclose sensitive information. This issue affects Bifrost GPU Kernel Driver: from r12p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r19p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0.

Severity

7.7 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-10 17:55 UTC

CWE

CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Assigner

Arm CNA under the mitre root

CNA scorecard D 52/100 over 14 records in the last 180 days details

References

1 reference

URL	Tags
https://support.arm.com/documentation/111552/1-0/…

Impacted products

3 products

Vendor	Product	Version	CPE status
Arm Ltd	Bifrost GPU Kernel Driver	Affected: r12p0 , ≤ r49p5 (patch) Affected: r50p0 , ≤ r51p0 (patch) Affected: r54p1 , ≤ r54p2 (patch)	guessed
Arm Ltd	Valhall GPU Kernel Driver	Affected: r19p0 , ≤ r49p5 (patch) Affected: r50p0 , ≤ r54p3 (patch) Affected: r55p0 (patch) Unaffected: r56p0 (patch)	guessed
Arm Ltd	Arm 5th Gen GPU Architecture Kernel Driver	Affected: r41p0 , ≤ r49p5 (patch) Affected: r50p0 , ≤ r54p3 (patch) Affected: r55p0 (patch) Unaffected: r56p0 (patch)	guessed

Credits

Pumpkin from DEVCORE Research Team

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-9040

Vulnerability from fkie_nvd - Published: 2026-09-08 15:18 - Updated: 2026-09-10 18:18

Severity

7.7 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Summary

References

	URL	Tags
	arm-security@arm.com	https://support.arm.com/documentation/111552/1-0/?lang=en

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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        {
          "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": "A race condition 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 improper GPU memory processing operations to cause a denial of service or disclose sensitive information.\n\n\n\nThis issue affects Bifrost GPU Kernel Driver: from r12p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r19p0 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-2026-9040",
  "lastModified": "2026-09-10T18:18:16.697",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.7,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 5.2,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-9040",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-10T17:55:31.134691Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-08T15:18:56.467",
  "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-362"
        }
      ],
      "source": "arm-security@arm.com",
      "type": "Secondary"
    }
  ]
}

GHSA-J8JV-6MVV-5VG8

Vulnerability from github – Published: 2026-09-08 15:31 – Updated: 2026-09-10 18:31

Details

This issue affects Bifrost GPU Kernel Driver: from r12p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r19p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0.

Severity

7.7 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Show details on source website

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To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-9040"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-362"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-08T15:18:56Z",
    "severity": "HIGH"
  },
  "details": "A race condition 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 improper GPU memory processing operations to cause a denial of service or disclose sensitive information.\n\n\n\nThis issue affects Bifrost GPU Kernel Driver: from r12p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r19p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0.",
  "id": "GHSA-j8jv-6mvv-5vg8",
  "modified": "2026-09-10T18:31:31Z",
  "published": "2026-09-08T15:31:58Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-9040"
    },
    {
      "type": "WEB",
      "url": "https://support.arm.com/documentation/111552/1-0/?lang=en"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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.
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CVE-2026-9040 (GCVE-0-2026-9040)

FKIE_CVE-2026-9040

GHSA-J8JV-6MVV-5VG8

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