nvd-json-data-feeds/CVE-2024/CVE-2024-477xx/CVE-2024-47747.json

{
  "id": "CVE-2024-47747",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-10-21T13:15:04.753",
  "lastModified": "2024-10-22T16:11:40.627",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: seeq: Fix use after free vulnerability in ether3 Driver Due to Race Condition\n\nIn the ether3_probe function, a timer is initialized with a callback\nfunction ether3_ledoff, bound to &prev(dev)->timer. Once the timer is\nstarted, there is a risk of a race condition if the module or device\nis removed, triggering the ether3_remove function to perform cleanup.\nThe sequence of operations that may lead to a UAF bug is as follows:\n\nCPU0                                    CPU1\n\n                      |  ether3_ledoff\nether3_remove         |\n  free_netdev(dev);   |\n  put_devic           |\n  kfree(dev);         |\n |  ether3_outw(priv(dev)->regs.config2 |= CFG2_CTRLO, REG_CONFIG2);\n                      | // use dev\n\nFix it by ensuring that the timer is canceled before proceeding with\nthe cleanup in ether3_remove."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: seeq: Se corrige la vulnerabilidad de use after free en el controlador ether3 debido a una condici\u00f3n de ejecuci\u00f3n En la funci\u00f3n ether3_probe, se inicializa un temporizador con una funci\u00f3n de devoluci\u00f3n de llamada ether3_ledoff, vinculada a &prev(dev)->timer. Una vez que se inicia el temporizador, existe el riesgo de una condici\u00f3n de ejecuci\u00f3n si se elimina el m\u00f3dulo o dispositivo, lo que activa la funci\u00f3n ether3_remove para realizar la limpieza. La secuencia de operaciones que pueden provocar un error de UAF es la siguiente: CPU0 CPU1 | ether3_ledoff ether3_remove | free_netdev(dev); | put_devic | kfree(dev); | | ether3_outw(priv(dev)->regs.config2 |= CFG2_CTRLO, REG_CONFIG2); | // use dev Corr\u00edjalo asegur\u00e1ndose de que el temporizador se cancele antes de continuar con la limpieza en ether3_remove."
    }
  ],
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          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.0,
          "baseSeverity": "HIGH"
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        "impactScore": 5.9
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          "value": "CWE-416"
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