ghsa-32jq-w4j4-wjvc
Vulnerability from github
Published
2025-01-11 15:30
Modified
2025-02-02 12:30
Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-53685"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-01-11T13:15:25Z",
    "severity": null
  },
  "details": "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.",
  "id": "GHSA-32jq-w4j4-wjvc",
  "modified": "2025-02-02T12:30:24Z",
  "published": "2025-01-11T15:30:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-53685"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0f2b2d9e881c90402dbe28f9ba831775b7992e1f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/550f7ca98ee028a606aa75705a7e77b1bd11720f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/99a37ab76a315c8307eb5b0dc095d8ad9d8efeaa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c47ed91156daf328601d02b58d52d9804da54108"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d42ad3f161a5a487f81915c406f46943c7187a0a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e4b168c64da06954be5d520f6c16469b1cadc069"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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