nvd-json-data-feeds/CVE-2021/CVE-2021-472xx/CVE-2021-47289.json

{
  "id": "CVE-2021-47289",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-05-21T15:15:16.950",
  "lastModified": "2024-11-21T06:35:48.373",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: fix NULL pointer dereference\n\nCommit 71f642833284 (\"ACPI: utils: Fix reference counting in\nfor_each_acpi_dev_match()\") started doing \"acpi_dev_put()\" on a pointer\nthat was possibly NULL.  That fails miserably, because that helper\ninline function is not set up to handle that case.\n\nJust make acpi_dev_put() silently accept a NULL pointer, rather than\ncalling down to put_device() with an invalid offset off that NULL\npointer."
    },
    {
      "lang": "es",
      "value": " En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: ACPI: corrige la desreferencia del puntero NULL. La confirmaci\u00f3n 71f642833284 (\"ACPI: utils: corrige el recuento de referencias en for_each_acpi_dev_match()\") comenz\u00f3 a hacer \"acpi_dev_put()\" en un puntero que posiblemente era NULL. Eso falla estrepitosamente, porque esa funci\u00f3n auxiliar en l\u00ednea no est\u00e1 configurada para manejar ese caso. Simplemente haga que acpi_dev_put() acepte silenciosamente un puntero NULL, en lugar de llamar a put_device() con un desplazamiento no v\u00e1lido de ese puntero NULL."
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/38f54217b423c0101d03a00feec6fb8ec608b12e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/cae3fa3d8165761f3000f523b11cfa1cd35206bc",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ccf23a0888077a25a0793a746c3941db2a7562e4",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/fc68f42aa737dc15e7665a4101d4168aadb8e4c4",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/38f54217b423c0101d03a00feec6fb8ec608b12e",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://git.kernel.org/stable/c/cae3fa3d8165761f3000f523b11cfa1cd35206bc",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://git.kernel.org/stable/c/ccf23a0888077a25a0793a746c3941db2a7562e4",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://git.kernel.org/stable/c/fc68f42aa737dc15e7665a4101d4168aadb8e4c4",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}