nvd-json-data-feeds/CVE-2024/CVE-2024-422xx/CVE-2024-42282.json

{
  "id": "CVE-2024-42282",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-08-17T09:15:09.090",
  "lastModified": "2024-08-19T19:53:45.483",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mediatek: Fix potential NULL pointer dereference in dummy net_device handling\n\nMove the freeing of the dummy net_device from mtk_free_dev() to\nmtk_remove().\n\nPreviously, if alloc_netdev_dummy() failed in mtk_probe(),\neth->dummy_dev would be NULL. The error path would then call\nmtk_free_dev(), which in turn called free_netdev() assuming dummy_dev\nwas allocated (but it was not), potentially causing a NULL pointer\ndereference.\n\nBy moving free_netdev() to mtk_remove(), we ensure it's only called when\nmtk_probe() has succeeded and dummy_dev is fully allocated. This\naddresses a potential NULL pointer dereference detected by Smatch[1]."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: mediatek: corrige la posible desreferencia del puntero NULL en el manejo del net_device ficticio. Mueva la liberaci\u00f3n del net_device ficticio de mtk_free_dev() a mtk_remove(). Anteriormente, si alloc_netdev_dummy() fallaba en mtk_probe(), eth->dummy_dev ser\u00eda NULL. La ruta de error luego llamar\u00eda a mtk_free_dev(), que a su vez llamar\u00eda a free_netdev() suponiendo que dummy_dev estuviera asignado (pero no lo estaba), causando potencialmente una desreferencia del puntero NULL. Al mover free_netdev() a mtk_remove(), nos aseguramos de que solo se llame cuando mtk_probe() haya tenido \u00e9xito y dummy_dev est\u00e9 completamente asignado. Esto soluciona una posible desreferencia de puntero NULL detectada por Smatch[1]."
    }
  ],
  "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": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "6.10",
              "versionEndExcluding": "6.10.3",
              "matchCriteriaId": "21DC7A88-E88C-4C44-9AFB-CBB30134097C"
            }
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  ],
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/16f3a28cf5f876a7f3550d8f4c870a7b41bcfaef",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://git.kernel.org/stable/c/af6bd5c9901b13a26eaf4d57d97a813297791596",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ]
    }
  ]
}