nvd-json-data-feeds/CVE-2024/CVE-2024-422xx/CVE-2024-42244.json

{
  "id": "CVE-2024-42244",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-08-07T16:15:47.160",
  "lastModified": "2024-08-08T14:53:27.147",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: mos7840: fix crash on resume\n\nSince commit c49cfa917025 (\"USB: serial: use generic method if no\nalternative is provided in usb serial layer\"), USB serial core calls the\ngeneric resume implementation when the driver has not provided one.\n\nThis can trigger a crash on resume with mos7840 since support for\nmultiple read URBs was added back in 2011. Specifically, both port read\nURBs are now submitted on resume for open ports, but the context pointer\nof the second URB is left set to the core rather than mos7840 port\nstructure.\n\nFix this by implementing dedicated suspend and resume functions for\nmos7840.\n\nTested with Delock 87414 USB 2.0 to 4x serial adapter.\n\n[ johan: analyse crash and rewrite commit message; set busy flag on\n         resume; drop bulk-in check; drop unnecessary usb_kill_urb() ]"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: USB: serial: mos7840: corrige el fallo al reanudar desde el commit c49cfa917025 (\"USB: serial: use un m\u00e9todo gen\u00e9rico si no se proporciona ninguna alternativa en la capa serial USB\"), llamadas al n\u00facleo serial USB la implementaci\u00f3n del curr\u00edculum gen\u00e9rico cuando el driver no lo haya proporcionado. Esto puede provocar un fallo en el curr\u00edculum con mos7840 desde que se agreg\u00f3 soporte para m\u00faltiples URB de lectura en 2011. Espec\u00edficamente, ambos URB de lectura de puerto ahora se env\u00edan en el curr\u00edculum para puertos abiertos, pero el puntero de contexto del segundo URB se deja configurado en el n\u00facleo en lugar de la estructura del puerto mos7840. Solucione este problema implementando funciones dedicadas de suspensi\u00f3n y reanudaci\u00f3n para mos7840. Probado con el adaptador serie Delock 87414 USB 2.0 a 4x. [ johan: analiza el fallo y reescribe el mensaje de confirmaci\u00f3n; establecer una bandera de ocupado en el curr\u00edculum; dejar caer el cheque a granel; soltar usb_kill_urb() innecesario]"
    }
  ],
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "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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