ghsa-q8rr-8fcc-gc56
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:

octeon_ep: Fix host hang issue during device reboot

When the host loses heartbeat messages from the device, the driver calls the device-specific ndo_stop function, which frees the resources. If the driver is unloaded in this scenario, it calls ndo_stop again, attempting to free resources that have already been freed, leading to a host hang issue. To resolve this, dev_close should be called instead of the device-specific stop function.dev_close internally calls ndo_stop to stop the network interface and performs additional cleanup tasks. During the driver unload process, if the device is already down, ndo_stop is not called.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-37933"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-20T16:15:29Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nocteon_ep: Fix host hang issue during device reboot\n\nWhen the host loses heartbeat messages from the device,\nthe driver calls the device-specific ndo_stop function,\nwhich frees the resources. If the driver is unloaded in\nthis scenario, it calls ndo_stop again, attempting to free\nresources that have already been freed, leading to a host\nhang issue. To resolve this, dev_close should be called\ninstead of the device-specific stop function.dev_close\ninternally calls ndo_stop to stop the network interface\nand performs additional cleanup tasks. During the driver\nunload process, if the device is already down, ndo_stop\nis not called.",
  "id": "GHSA-q8rr-8fcc-gc56",
  "modified": "2025-05-20T18:30:55Z",
  "published": "2025-05-20T18:30:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-37933"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/34f42736b325287a7b2ce37e415838f539767bda"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6d1052423518e7d0aece9af5e77bbc324face8f1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7e1ca1bed3f66e00377f7d2147be390144924276"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c8d788f800f83b94d9db8b3dacc1d26be38a6ef4"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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