ghsa-7jm9-29fh-9vrx
Vulnerability from github
Published
2025-10-30 12:31
Modified
2025-10-30 12:31
Details

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

usb: gadget: f_ecm: Refactor bind path to use __free()

After an bind/unbind cycle, the ecm->notify_req is left stale. If a subsequent bind fails, the unified error label attempts to free this stale request, leading to a NULL pointer dereference when accessing ep->ops->free_request.

Refactor the error handling in the bind path to use the __free() automatic cleanup mechanism.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-40093"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-30T10:15:33Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: f_ecm: Refactor bind path to use __free()\n\nAfter an bind/unbind cycle, the ecm-\u003enotify_req is left stale. If a\nsubsequent bind fails, the unified error label attempts to free this\nstale request, leading to a NULL pointer dereference when accessing\nep-\u003eops-\u003efree_request.\n\nRefactor the error handling in the bind path to use the __free()\nautomatic cleanup mechanism.",
  "id": "GHSA-7jm9-29fh-9vrx",
  "modified": "2025-10-30T12:31:09Z",
  "published": "2025-10-30T12:31:09Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-40093"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/070f341d86cf2c098d63e484a86c7c1d2696a868"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/15b9faf53ba8719700596e7ef78879ce200e8c2e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/42988380ac67c76bb9dff8f77d7ef3eefd50b7b5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4630c68bade82f087eaaab22e9a361da2f18d139"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d3745aaef19198d0c81637a7dd50ef53c4f879b7"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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