FKIE_CVE-2024-53685

Vulnerability from fkie_nvd - Published: 2025-01-11 13:15 - Updated: 2025-11-03 21:17
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: ceph: give up on paths longer than PATH_MAX If the full path to be built by ceph_mdsc_build_path() happens to be longer than PATH_MAX, then this function will enter an endless (retry) loop, effectively blocking the whole task. Most of the machine becomes unusable, making this a very simple and effective DoS vulnerability. I cannot imagine why this retry was ever implemented, but it seems rather useless and harmful to me. Let's remove it and fail with ENAMETOOLONG instead.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0f2b2d9e881c90402dbe28f9ba831775b7992e1fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/550f7ca98ee028a606aa75705a7e77b1bd11720fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/99a37ab76a315c8307eb5b0dc095d8ad9d8efeaaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c47ed91156daf328601d02b58d52d9804da54108Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d42ad3f161a5a487f81915c406f46943c7187a0aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e4b168c64da06954be5d520f6c16469b1cadc069Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 2.6.34
linux linux_kernel 2.6.34
linux linux_kernel 2.6.34
linux linux_kernel 2.6.34
linux linux_kernel 2.6.34
linux linux_kernel 2.6.34
linux linux_kernel 2.6.34
linux linux_kernel 6.13
linux linux_kernel 6.13
linux linux_kernel 6.13
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nceph: give up on paths longer than PATH_MAX\n\nIf the full path to be built by ceph_mdsc_build_path() happens to be\nlonger than PATH_MAX, then this function will enter an endless (retry)\nloop, effectively blocking the whole task.  Most of the machine\nbecomes unusable, making this a very simple and effective DoS\nvulnerability.\n\nI cannot imagine why this retry was ever implemented, but it seems\nrather useless and harmful to me.  Let\u0027s remove it and fail with\nENAMETOOLONG instead."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ceph: renunciar a rutas m\u00e1s largas que PATH_MAX Si la ruta completa que se va a construir con ceph_mdsc_build_path() resulta ser m\u00e1s larga que PATH_MAX, esta funci\u00f3n entrar\u00e1 en un bucle sin fin (de reintento), bloqueando efectivamente toda la tarea. La mayor parte de la m\u00e1quina queda inutilizable, lo que hace que esta sea una vulnerabilidad de denegaci\u00f3n de servicio (DoS) muy simple y efectiva. No puedo imaginar por qu\u00e9 se implement\u00f3 este reintento, pero me parece bastante in\u00fatil y da\u00f1ino. Elimin\u00e9moslo y fallemos con ENAMETOOLONG en su lugar."
    }
  ],
  "id": "CVE-2024-53685",
  "lastModified": "2025-11-03T21:17:46.893",
  "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"
      }
    ]
  },
  "published": "2025-01-11T13:15:25.997",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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