nvd-json-data-feeds/CVE-2024/CVE-2024-567xx/CVE-2024-56774.json

{
  "id": "CVE-2024-56774",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2025-01-08T18:15:18.213",
  "lastModified": "2025-01-09T21:00:24.247",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: add a sanity check for btrfs root in btrfs_search_slot()\n\nSyzbot reports a null-ptr-deref in btrfs_search_slot().\n\nThe reproducer is using rescue=ibadroots, and the extent tree root is\ncorrupted thus the extent tree is NULL.\n\nWhen scrub tries to search the extent tree to gather the needed extent\ninfo, btrfs_search_slot() doesn't check if the target root is NULL or\nnot, resulting the null-ptr-deref.\n\nAdd sanity check for btrfs root before using it in btrfs_search_slot()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: btrfs: a\u00f1adir una comprobaci\u00f3n de cordura para la ra\u00edz de btrfs en btrfs_search_slot() Syzbot informa de un null-ptr-deref en btrfs_search_slot(). El reproductor est\u00e1 usando rescue=ibadroots, y la ra\u00edz del \u00e1rbol de extensiones est\u00e1 da\u00f1ada, por lo que el \u00e1rbol de extensiones es NULL. Cuando scrub intenta buscar en el \u00e1rbol de extensiones para reunir la informaci\u00f3n de extensi\u00f3n necesaria, btrfs_search_slot() no comprueba si la ra\u00edz de destino es NULL o no, lo que da como resultado el null-ptr-deref. A\u00f1adir una comprobaci\u00f3n de cordura para la ra\u00edz de btrfs antes de usarlo en btrfs_search_slot()."
    }
  ],
  "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"
        }
      ]
    }
  ],
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          "negate": false,
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  "references": [
    {
      "url": "https://git.kernel.org/stable/c/3ed51857a50f530ac7a1482e069dfbd1298558d4",
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