fkie_cve-2024-53109
Vulnerability from fkie_nvd
Published
2024-12-02 14:15
Modified
2024-12-11 20:21
Summary
In the Linux kernel, the following vulnerability has been resolved: nommu: pass NULL argument to vma_iter_prealloc() When deleting a vma entry from a maple tree, it has to pass NULL to vma_iter_prealloc() in order to calculate internal state of the tree, but it passed a wrong argument. As a result, nommu kernels crashed upon accessing a vma iterator, such as acct_collect() reading the size of vma entries after do_munmap(). This commit fixes this issue by passing a right argument to the preallocation call.



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  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnommu: pass NULL argument to vma_iter_prealloc()\n\nWhen deleting a vma entry from a maple tree, it has to pass NULL to\nvma_iter_prealloc() in order to calculate internal state of the tree, but\nit passed a wrong argument.  As a result, nommu kernels crashed upon\naccessing a vma iterator, such as acct_collect() reading the size of vma\nentries after do_munmap().\n\nThis commit fixes this issue by passing a right argument to the\npreallocation call."
    },
    {
      "lang": "es",
      "value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nommu: pasar argumento NULL a vma_iter_prealloc(). Al eliminar una entrada vma de un \u00e1rbol maple, tiene que pasar NULL a vma_iter_prealloc() para calcular el estado interno del \u00e1rbol, pero pas\u00f3 un argumento incorrecto. Como resultado, los kernels nommu fallaban al acceder a un iterador vma, como acct_collect() que lee el tama\u00f1o de las entradas vma despu\u00e9s de do_munmap(). Esta confirmaci\u00f3n corrige este problema al pasar un argumento correcto a la llamada de preasignaci\u00f3n."
    }
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  "id": "CVE-2024-53109",
  "lastModified": "2024-12-11T20:21:25.433",
  "metrics": {
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          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2024-12-02T14:15:11.713",
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}


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