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CVE-2025-0932

Estado: AnalizadaMedia (4.3)—

Use After Free vulnerability in Arm Ltd Bifrost GPU Userspace Driver, Arm Ltd Valhall GPU Userspace Driver, Arm Ltd Arm 5th Gen GPU Architecture Userspace Driver allows a non-privileged user process to perform valid GPU processing operations, including via WebGL or WebGPU, to gain access to already freed memory.This issue affects Bifrost GPU Userspace Driver: from r48p0 through r49p3, from r50p0 through r51p0; Valhall GPU Userspace Driver: from r48p0 through r49p3, from r50p0 through r54p0; Arm 5th Gen GPU Architecture Userspace Driver: from r48p0 through r49p3, from r50p0 through r54p0.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (3)

ARM — 5TH GEN GPU Architecture Userspace DriverARM — Bifrost GPU Userspace DriverARM — Valhall GPU Userspace Driver

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2025-0932",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-0932",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-08-06T03:55:30.487311Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "arm-security@arm.com",
      "affectedData": [
        {
          "vendor": "Arm Ltd",
          "product": "Bifrost GPU Userspace Driver",
          "versions": [
            {
              "status": "affected",
              "changes": [
                {
                  "at": "r49p4",
                  "status": "unaffected"
                }
              ],
              "version": "r48p0",
              "versionType": "patch",
              "lessThanOrEqual": "r49p3"
            },
            {
              "status": "affected",
              "changes": [
                {
                  "at": "r54p1",
                  "status": "unaffected"
                }
              ],
              "version": "r50p0",
              "versionType": "patch",
              "lessThanOrEqual": "r51p0"
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          ],
          "defaultStatus": "unaffected"
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        {
          "vendor": "Arm Ltd",
          "product": "Valhall GPU Userspace Driver",
          "versions": [
            {
              "status": "affected",
              "changes": [
                {
                  "at": "r49p4",
                  "status": "unaffected"
                }
              ],
              "version": "r48p0",
              "versionType": "patch",
              "lessThanOrEqual": "r49p3"
            },
            {
              "status": "affected",
              "changes": [
                {
                  "at": "r54p1",
                  "status": "unaffected"
                }
              ],
              "version": "r50p0",
              "versionType": "patch",
              "lessThanOrEqual": "r54p0"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Arm Ltd",
          "product": "Arm 5th Gen GPU Architecture Userspace Driver",
          "versions": [
            {
              "status": "affected",
              "changes": [
                {
                  "at": "r49p4",
                  "status": "unaffected"
                }
              ],
              "version": "r48p0",
              "versionType": "patch",
              "lessThanOrEqual": "r49p3"
            },
            {
              "status": "affected",
              "changes": [
                {
                  "at": "r54p1",
                  "status": "unaffected"
                }
              ],
              "version": "r50p0",
              "versionType": "patch",
              "lessThanOrEqual": "r54p0"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-08-04T10:15:27.547",
  "references": [
    {
      "url": "https://developer.arm.com/documentation/110626/latest/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "arm-security@arm.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "arm-security@arm.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use After Free vulnerability in Arm Ltd Bifrost GPU Userspace Driver, Arm Ltd Valhall GPU Userspace Driver, Arm Ltd Arm 5th Gen GPU Architecture Userspace Driver allows a non-privileged user process to perform valid GPU processing operations, including via WebGL or WebGPU, to gain access to already freed memory.This issue affects Bifrost GPU Userspace Driver: from r48p0 through r49p3, from r50p0 through r51p0; Valhall GPU Userspace Driver: from r48p0 through r49p3, from r50p0 through r54p0; Arm 5th Gen GPU Architecture Userspace Driver: from r48p0 through r49p3, from r50p0 through r54p0."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de Use After Free en Arm Ltd Bifrost GPU Userspace Driver, Arm Ltd Valhall GPU Userspace Driver, Arm Ltd Arm 5th Gen GPU Architecture Userspace Driver permite que un proceso de usuario sin privilegios realice operaciones de procesamiento de GPU válidas, incluso mediante WebGL o WebGPU, para obtener acceso a memoria ya liberada. Este problema afecta a los controladores de espacio de usuario de GPU Bifrost: de r48p0 a r49p3 y de r50p0 a r51p0; a los controladores de espacio de usuario de GPU Valhall: de r48p0 a r49p3 y de r50p0 a r54p0; y a los controladores de espacio de usuario de arquitectura de GPU de Arm 5.ª generación: de r48p0 a r49p3 y de r50p0 a r54p0."
    }
  ],
  "lastModified": "2026-06-17T08:27:23.263",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:arm:5th_gen_gpu_architecture_userspace_driver:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C2D76255-45D3-483E-928F-13B0A03E8C28",
              "versionEndExcluding": "r49p4",
              "versionStartIncluding": "r48p0"
            },
            {
              "criteria": "cpe:2.3:a:arm:5th_gen_gpu_architecture_userspace_driver:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "04ADA3A4-C98B-4BDA-8838-F742CAAE7F3C",
              "versionEndExcluding": "r54p1",
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            },
            {
              "criteria": "cpe:2.3:a:arm:bifrost_gpu_userspace_driver:*:*:*:*:*:*:*:*",
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              "matchCriteriaId": "30D58642-28C3-4BAA-B90B-0FCDE8768578",
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            {
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              "versionEndExcluding": "r54p1",
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            {
              "criteria": "cpe:2.3:a:arm:valhall_gpu_userspace_driver:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E54F886B-84DE-47ED-90D7-3A910BE2D592",
              "versionEndExcluding": "r49p4",
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            {
              "criteria": "cpe:2.3:a:arm:valhall_gpu_userspace_driver:*:*:*:*:*:*:*:*",
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          ],
          "operator": "OR"
        }
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  ],
  "sourceIdentifier": "arm-security@arm.com"
}