FKIE_CVE-2025-37971

Vulnerability from fkie_nvd - Published: 2025-05-20 17:15 - Updated: 2025-11-14 17:02
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: staging: bcm2835-camera: Initialise dev in v4l2_dev Commit 42a2f6664e18 ("staging: vc04_services: Move global g_state to vchiq_state") changed mmal_init to pass dev->v4l2_dev.dev to vchiq_mmal_init, however nothing iniitialised dev->v4l2_dev, so we got a NULL pointer dereference. Set dev->v4l2_dev.dev during bcm2835_mmal_probe. The device pointer could be passed into v4l2_device_register to set it, however that also has other effects that would need additional changes.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/06753f49336ab161ea0e249a0720125b81b7b31bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/98698ca0e58734bc5c1c24e5bbc7429f981cd186Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b70bdd4923e8b8edbacde2af83ca337bb7005261Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.15
linux linux_kernel 6.15
linux linux_kernel 6.15
linux linux_kernel 6.15
linux linux_kernel 6.15
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
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              "versionEndExcluding": "6.12.29",
              "versionStartIncluding": "6.10",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: bcm2835-camera: Initialise dev in v4l2_dev\n\nCommit 42a2f6664e18 (\"staging: vc04_services: Move global g_state to\nvchiq_state\") changed mmal_init to pass dev-\u003ev4l2_dev.dev to\nvchiq_mmal_init, however nothing iniitialised dev-\u003ev4l2_dev, so we got\na NULL pointer dereference.\n\nSet dev-\u003ev4l2_dev.dev during bcm2835_mmal_probe. The device pointer\ncould be passed into v4l2_device_register to set it, however that also\nhas other effects that would need additional changes."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: staging: bcm2835-camera: Inicializar dev en v4l2_dev. el commit 42a2f6664e18 (\"staging: vc04_services: Mover global g_state a vchiq_state\") modific\u00f3 mmal_init para pasar dev-\u0026gt;v4l2_dev.dev a vchiq_mmal_init. Sin embargo, no se inicializ\u00f3 dev-\u0026gt;v4l2_dev, por lo que se obtuvo una desreferencia de puntero nulo. Se estableci\u00f3 dev-\u0026gt;v4l2_dev.dev durante bcm2835_mmal_probe. El puntero del dispositivo se podr\u00eda pasar a v4l2_device_register para establecerlo; sin embargo, esto tambi\u00e9n tiene otros efectos que requerir\u00edan cambios adicionales."
    }
  ],
  "id": "CVE-2025-37971",
  "lastModified": "2025-11-14T17:02:19.973",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2025-05-20T17:15:47.630",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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  "vulnStatus": "Analyzed",
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          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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