nvd-json-data-feeds/CVE-2021/CVE-2021-473xx/CVE-2021-47364.json

{
  "id": "CVE-2021-47364",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-05-21T15:15:22.497",
  "lastModified": "2024-12-26T17:56:47.957",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncomedi: Fix memory leak in compat_insnlist()\n\n`compat_insnlist()` handles the 32-bit version of the `COMEDI_INSNLIST`\nioctl (whenwhen `CONFIG_COMPAT` is enabled).  It allocates memory to\ntemporarily hold an array of `struct comedi_insn` converted from the\n32-bit version in user space.  This memory is only being freed if there\nis a fault while filling the array, otherwise it is leaked.\n\nAdd a call to `kfree()` to fix the leak."
    },
    {
      "lang": "es",
      "value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: comedi: Reparar p\u00e9rdida de memoria en compat_insnlist() `compat_insnlist()` maneja la versi\u00f3n de 32 bits del ioctl `COMEDI_INSNLIST` (cuando `CONFIG_COMPAT` est\u00e1 habilitado). Asigna memoria para almacenar temporalmente una matriz de `struct comedi_insn` convertida desde la versi\u00f3n de 32 bits en el espacio de usuario. Esta memoria solo se libera si hay una falla al llenar la matriz; de lo contrario, se pierde. Agregue una llamada a `kfree()` para solucionar la fuga."
    }
  ],
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        "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
      }
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          "value": "CWE-401"
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