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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
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.
References
arm-security@arm.comhttps://support.arm.com/documentation/111552/1-0/?lang=en
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Bifrost GPU Kernel Driver",
          "vendor": "Arm Ltd",
          "versions": [
            {
              "lessThanOrEqual": "r49p5",
              "status": "affected",
              "version": "r12p0",
              "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": "r19p0",
              "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": "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"
    }
  ]
}



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