ghsa-hfm8-q4mr-mf9f
Vulnerability from github
Published
2025-08-16 12:30
Modified
2025-08-16 12:30
Details

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

virtio-net: fix recursived rtnl_lock() during probe()

The deadlock appears in a stack trace like:

virtnet_probe() rtnl_lock() virtio_config_changed_work() netdev_notify_peers() rtnl_lock()

It happens if the VMM sends a VIRTIO_NET_S_ANNOUNCE request while the virtio-net driver is still probing.

The config_work in probe() will get scheduled until virtnet_open() enables the config change notification via virtio_config_driver_enable().

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2025-38551"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-08-16T12:15:31Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio-net: fix recursived rtnl_lock() during probe()\n\nThe deadlock appears in a stack trace like:\n\n  virtnet_probe()\n    rtnl_lock()\n    virtio_config_changed_work()\n      netdev_notify_peers()\n        rtnl_lock()\n\nIt happens if the VMM sends a VIRTIO_NET_S_ANNOUNCE request while the\nvirtio-net driver is still probing.\n\nThe config_work in probe() will get scheduled until virtnet_open() enables\nthe config change notification via virtio_config_driver_enable().",
  "id": "GHSA-hfm8-q4mr-mf9f",
  "modified": "2025-08-16T12:30:33Z",
  "published": "2025-08-16T12:30:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38551"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3859f137b3c1fa1f0031d54263234566bdcdd7aa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4e7c46362550b229354aeb52038f414e231b0037"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/be5dcaed694e4255dc02dd0acfe036708c535def"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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