nvd-json-data-feeds/CVE-2022/CVE-2022-497xx/CVE-2022-49731.json

{
  "id": "CVE-2022-49731",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2025-02-26T07:01:48.710",
  "lastModified": "2025-03-07T20:44:17.993",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nata: libata-core: fix NULL pointer deref in ata_host_alloc_pinfo()\n\nIn an unlikely (and probably wrong?) case that the 'ppi' parameter of\nata_host_alloc_pinfo() points to an array starting with a NULL pointer,\nthere's going to be a kernel oops as the 'pi' local variable won't get\nreassigned from the initial value of NULL. Initialize 'pi' instead to\n'&ata_dummy_port_info' to fix the possible kernel oops for good...\n\nFound by Linux Verification Center (linuxtesting.org) with the SVACE static\nanalysis tool."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ata: libata-core: fix NULL pointer deref in ata_host_alloc_pinfo() En un caso improbable (\u00bfy probablemente err\u00f3neo?) de que el par\u00e1metro 'ppi' de ata_host_alloc_pinfo() apunte a una matriz que comience con un puntero NULL, habr\u00e1 un error en el kernel ya que la variable local 'pi' no se reasignar\u00e1 desde el valor inicial de NULL. Inicialice 'pi' en su lugar a '&ata_dummy_port_info' para corregir el posible error en el kernel para siempre... Encontrado por Linux Verification Center (linuxtesting.org) con la herramienta de an\u00e1lisis est\u00e1tico SVACE. "
    }
  ],
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          "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"
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        "exploitabilityScore": 1.8,
        "impactScore": 3.6
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          "value": "CWE-476"
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