{
  "id": "CVE-2021-47211",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-04-10T19:15:48.547",
  "lastModified": "2025-01-14T14:43:27.637",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: fix null pointer dereference on pointer cs_desc\n\nThe pointer cs_desc return from snd_usb_find_clock_source could\nbe null, so there is a potential null pointer dereference issue.\nFix this by adding a null check before dereference."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ALSA: usb-audio: se corrige la desreferencia de puntero nulo en el puntero cs_desc El puntero cs_desc devuelto por snd_usb_find_clock_source podr\u00eda ser nulo, por lo que existe un posible problema de desreferencia de puntero nulo. Solucione esto agregando una comprobaci\u00f3n de nulo antes de la desreferencia."
    }
  ],
  "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",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "configurations": [
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      "nodes": [
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          "operator": "OR",
          "negate": false,
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  "references": [
    {
      "url": "https://git.kernel.org/stable/c/58fa50de595f152900594c28ec9915c169643739",
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}