{
  "id": "CVE-2022-4127",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2022-11-28T22:15:11.053",
  "lastModified": "2023-11-07T03:56:59.967",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "A NULL pointer dereference issue was discovered in the Linux kernel in io_files_update_with_index_alloc. A local user could use this flaw to potentially crash the system causing a denial of service."
    },
    {
      "lang": "es",
      "value": "Se descubri\u00f3 un problema de desreferencia de puntero NULL en el kernel de Linux en io_files_update_with_index_alloc. Un usuario local podr\u00eda utilizar esta falla para bloquear potencialmente el sistema y provocar una Denegaci\u00f3n de Servicio (DoS)."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "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"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "secalert@redhat.com",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
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    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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  "references": [
    {
      "url": "https://github.com/torvalds/linux/commit/d785a773bed966a75ca1f11d108ae1897189975b",
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://lore.kernel.org/all/d5a19c1e-9968-e22e-5917-c3139c5e7e89%40kernel.dk/",
      "source": "secalert@redhat.com"
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}