fkie_cve-2025-37820
Vulnerability from fkie_nvd
Published
2025-05-08 07:15
Modified
2025-05-08 14:39
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: xen-netfront: handle NULL returned by xdp_convert_buff_to_frame() The function xdp_convert_buff_to_frame() may return NULL if it fails to correctly convert the XDP buffer into an XDP frame due to memory constraints, internal errors, or invalid data. Failing to check for NULL may lead to a NULL pointer dereference if the result is used later in processing, potentially causing crashes, data corruption, or undefined behavior. On XDP redirect failure, the associated page must be released explicitly if it was previously retained via get_page(). Failing to do so may result in a memory leak, as the pages reference count is not decremented.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5b83d30c63f9964acb1bc63eb8e670b9e0d2c240
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cc3628dcd851ddd8d418bf0c897024b4621ddc92
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cefd8a2e2de46209ce66e6d30c237eb59b6c5bfa
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d6a9c4e6f9b3ec3ad98468c950ad214af8a2efb9
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/eefccd889df3b49d92e7349d94c4aa7e1ba19f6c
Impacted products
Vendor Product Version


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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxen-netfront: handle NULL returned by xdp_convert_buff_to_frame()\n\nThe function xdp_convert_buff_to_frame() may return NULL if it fails\nto correctly convert the XDP buffer into an XDP frame due to memory\nconstraints, internal errors, or invalid data. Failing to check for NULL\nmay lead to a NULL pointer dereference if the result is used later in\nprocessing, potentially causing crashes, data corruption, or undefined\nbehavior.\n\nOn XDP redirect failure, the associated page must be released explicitly\nif it was previously retained via get_page(). Failing to do so may result\nin a memory leak, as the pages reference count is not decremented."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: xen-netfront: manejador NULL devuelto por xdp_convert_buff_to_frame(). La funci\u00f3n xdp_convert_buff_to_frame() puede devolver NULL si no convierte correctamente el b\u00fafer XDP en un marco XDP debido a limitaciones de memoria, errores internos o datos no v\u00e1lidos. No comprobar si hay NULL puede provocar una desreferencia de puntero NULL si el resultado se utiliza m\u00e1s adelante en el procesamiento, lo que puede causar fallos, corrupci\u00f3n de datos o un comportamiento indefinido. En caso de fallo en la redirecci\u00f3n XDP, la p\u00e1gina asociada debe liberarse expl\u00edcitamente si se retuvo previamente mediante get_page(). No hacerlo puede provocar una fuga de memoria, ya que el recuento de referencias de p\u00e1ginas no se reduce."
    }
  ],
  "id": "CVE-2025-37820",
  "lastModified": "2025-05-08T14:39:09.683",
  "metrics": {},
  "published": "2025-05-08T07:15:53.237",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/5b83d30c63f9964acb1bc63eb8e670b9e0d2c240"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/cc3628dcd851ddd8d418bf0c897024b4621ddc92"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/cefd8a2e2de46209ce66e6d30c237eb59b6c5bfa"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/d6a9c4e6f9b3ec3ad98468c950ad214af8a2efb9"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/eefccd889df3b49d92e7349d94c4aa7e1ba19f6c"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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