nvd-json-data-feeds/CVE-2024/CVE-2024-359xx/CVE-2024-35997.json

{
  "id": "CVE-2024-35997",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-05-20T10:15:13.960",
  "lastModified": "2024-07-03T02:02:34.990",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: i2c-hid: remove I2C_HID_READ_PENDING flag to prevent lock-up\n\nThe flag I2C_HID_READ_PENDING is used to serialize I2C operations.\nHowever, this is not necessary, because I2C core already has its own\nlocking for that.\n\nMore importantly, this flag can cause a lock-up: if the flag is set in\ni2c_hid_xfer() and an interrupt happens, the interrupt handler\n(i2c_hid_irq) will check this flag and return immediately without doing\nanything, then the interrupt handler will be invoked again in an\ninfinite loop.\n\nSince interrupt handler is an RT task, it takes over the CPU and the\nflag-clearing task never gets scheduled, thus we have a lock-up.\n\nDelete this unnecessary flag."
    },
    {
      "lang": "es",
      "value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: HID: i2c-hid: elimine el indicador I2C_HID_READ_PENDING para evitar el bloqueo. El indicador I2C_HID_READ_PENDING se utiliza para serializar operaciones I2C. Sin embargo, esto no es necesario, porque el n\u00facleo I2C ya tiene su propio bloqueo para ello. M\u00e1s importante a\u00fan, este indicador puede causar un bloqueo: si el indicador est\u00e1 configurado en i2c_hid_xfer() y ocurre una interrupci\u00f3n, el controlador de interrupciones (i2c_hid_irq) verificar\u00e1 este indicador y regresar\u00e1 inmediatamente sin hacer nada, entonces se invocar\u00e1 el controlador de interrupciones. nuevamente en un bucle infinito. Dado que el controlador de interrupciones es una tarea RT, se hace cargo de la CPU y la tarea de limpieza de banderas nunca se programa, por lo que tenemos un bloqueo. Elimine esta bandera innecesaria."
    }
  ],
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          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM"
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        "exploitabilityScore": 1.8,
        "impactScore": 3.6
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          "userInteraction": "NONE",
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