FKIE_CVE-2024-41034

Vulnerability from fkie_nvd - Published: 2024-07-29 15:15 - Updated: 2025-11-03 22:17
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix kernel bug on rename operation of broken directory Syzbot reported that in rename directory operation on broken directory on nilfs2, __block_write_begin_int() called to prepare block write may fail BUG_ON check for access exceeding the folio/page size. This is because nilfs_dotdot(), which gets parent directory reference entry ("..") of the directory to be moved or renamed, does not check consistency enough, and may return location exceeding folio/page size for broken directories. Fix this issue by checking required directory entries ("." and "..") in the first chunk of the directory in nilfs_dotdot().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1a8879c0771a68d70ee2e5e66eea34207e8c6231Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/24c1c8566a9b6be51f5347be2ea76e25fc82b11ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/298cd810d7fb687c90a14d8f9fd1b8719a7cb8a5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/60f61514374e4a0c3b65b08c6024dd7e26150bfdPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7000b438dda9d0f41a956fc9bffed92d2eb6be0dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a9a466a69b85059b341239766a10efdd3ee68a4bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a9e1ddc09ca55746079cc479aa3eb6411f0d99d4Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ff9767ba2cb949701e45e6e4287f8af82986b703Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1a8879c0771a68d70ee2e5e66eea34207e8c6231Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/24c1c8566a9b6be51f5347be2ea76e25fc82b11ePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/298cd810d7fb687c90a14d8f9fd1b8719a7cb8a5Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/60f61514374e4a0c3b65b08c6024dd7e26150bfdPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/7000b438dda9d0f41a956fc9bffed92d2eb6be0dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a9a466a69b85059b341239766a10efdd3ee68a4bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a9e1ddc09ca55746079cc479aa3eb6411f0d99d4Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ff9767ba2cb949701e45e6e4287f8af82986b703Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.10
linux linux_kernel 6.10
linux linux_kernel 6.10
linux linux_kernel 6.10
linux linux_kernel 6.10
linux linux_kernel 6.10
linux linux_kernel 6.10
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnilfs2: fix kernel bug on rename operation of broken directory\n\nSyzbot reported that in rename directory operation on broken directory on\nnilfs2, __block_write_begin_int() called to prepare block write may fail\nBUG_ON check for access exceeding the folio/page size.\n\nThis is because nilfs_dotdot(), which gets parent directory reference\nentry (\"..\") of the directory to be moved or renamed, does not check\nconsistency enough, and may return location exceeding folio/page size for\nbroken directories.\n\nFix this issue by checking required directory entries (\".\" and \"..\") in\nthe first chunk of the directory in nilfs_dotdot()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: nilfs2: corrige el error del kernel en la operaci\u00f3n de cambio de nombre de un directorio roto Syzbot inform\u00f3 que en la operaci\u00f3n de cambio de nombre de directorio en un directorio roto en nilfs2, __block_write_begin_int() llamado para preparar la escritura en bloque puede fallar en la verificaci\u00f3n BUG_ON de acceso exceder el tama\u00f1o del folio/p\u00e1gina. Esto se debe a que nilfs_dotdot(), que obtiene la entrada de referencia del directorio principal (\"..\") del directorio que se va a mover o cambiar de nombre, no verifica la coherencia lo suficiente y puede devolver una ubicaci\u00f3n que exceda el tama\u00f1o de folio/p\u00e1gina para directorios rotos. Solucione este problema verificando las entradas de directorio requeridas (\".\" y \"..\") en el primer fragmento del directorio en nilfs_dotdot()."
    }
  ],
  "id": "CVE-2024-41034",
  "lastModified": "2025-11-03T22:17:25.260",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
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  "published": "2024-07-29T15:15:11.990",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
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}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.