ghsa-6723-3r89-pw82
Vulnerability from github
Published
2025-05-20 18:30
Modified
2025-05-20 18:30
Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-37971"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-20T17:15:47Z",
    "severity": null
  },
  "details": "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.",
  "id": "GHSA-6723-3r89-pw82",
  "modified": "2025-05-20T18:30:57Z",
  "published": "2025-05-20T18:30:57Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-37971"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/06753f49336ab161ea0e249a0720125b81b7b31b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/98698ca0e58734bc5c1c24e5bbc7429f981cd186"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b70bdd4923e8b8edbacde2af83ca337bb7005261"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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