{
  "id": "CVE-2021-3348",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-02-01T04:15:14.430",
  "lastModified": "2022-04-26T16:17:02.940",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "nbd_add_socket in drivers/block/nbd.c in the Linux kernel through 5.10.12 has an ndb_queue_rq use-after-free that could be triggered by local attackers (with access to the nbd device) via an I/O request at a certain point during device setup, aka CID-b98e762e3d71."
    },
    {
      "lang": "es",
      "value": "En la funci\u00f3n nbd_add_socket en el archivo drivers/block/nbd.c en el kernel de Linux versiones hasta 5.10.12, presenta un uso de la memoria previamente liberada de ndb_queue_rq que podr\u00eda ser desencadenado por atacantes locales (con acceso al dispositivo nbd) por medio de una petici\u00f3n de E/S en un punto determinado durante la configuraci\u00f3n del dispositivo, tambi\u00e9n se conoce como CID-b98e762e3d71"
    }
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          "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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          "baseScore": 4.4
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 3.4,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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