ghsa-9fvg-5x6h-m5x2
Vulnerability from github
Published
2025-10-04 09:30
Modified
2025-10-04 09:30
Details

In the Linux kernel, the following vulnerability has been resolved:

um: virtio_uml: Fix use-after-free after put_device in probe

When register_virtio_device() fails in virtio_uml_probe(), the code sets vu_dev->registered = 1 even though the device was not successfully registered. This can lead to use-after-free or other issues.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-39951"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-04T08:15:48Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\num: virtio_uml: Fix use-after-free after put_device in probe\n\nWhen register_virtio_device() fails in virtio_uml_probe(),\nthe code sets vu_dev-\u003eregistered = 1 even though\nthe device was not successfully registered.\nThis can lead to use-after-free or other issues.",
  "id": "GHSA-9fvg-5x6h-m5x2",
  "modified": "2025-10-04T09:30:21Z",
  "published": "2025-10-04T09:30:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39951"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/00e98b5a69034b251bb36dc6e7123d7648e218e4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/14c231959a16ca41bfdcaede72483362a8c645d7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4f364023ddcfe83f7073b973a9cb98584b7f2a46"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5e94e44c9cb30d7a383d8ac227f24a8c9326b770"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7ebf70cf181651fe3f2e44e95e7e5073d594c9c0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/aaf900a83508c8cd5cdf765e7749f9076196ec7f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c2ff91255e0157b356cff115d8dc3eeb5162edf2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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