ceph: give up on paths longer than PATH_MAX

{
  "id": "dc8edadde464cbc28d0ed22f58978a9753f063aab497862122751f8c0e7f84f0",
  "url": "https://osv.dev/vulnerability/CVE-2024-53685",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ceph: give up on paths longer than PATH_MAX",
    "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.",
    "evidence": "osv:CVE-2024-53685",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.10.234",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.177",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.125",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.70",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.7",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-53685",
      "aliases": [
        "CVE-2024-53685"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "9030aaf9bf0a1eee47a154c316c789e959638b0f"
                },
                {
                  "fixed": "0f2b2d9e881c90402dbe28f9ba831775b7992e1f"
                },
                {
                  "fixed": "d42ad3f161a5a487f81915c406f46943c7187a0a"
                },
                {
                  "fixed": "e4b168c64da06954be5d520f6c16469b1cadc069"
                },
                {
                  "fixed": "c47ed91156daf328601d02b58d52d9804da54108"
                },
                {
                  "fixed": "99a37ab76a315c8307eb5b0dc095d8ad9d8efeaa"
                },
                {
                  "fixed": "550f7ca98ee028a606aa75705a7e77b1bd11720f"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-53685.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "2.6.34"
                },
                {
                  "fixed": "5.10.234"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.177"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.125"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.70"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.12.7"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-53685.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:26.123621819Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/0f2b2d9e881c90402dbe28f9ba831775b7992e1f",
        "https://git.kernel.org/stable/c/550f7ca98ee028a606aa75705a7e77b1bd11720f",
        "https://git.kernel.org/stable/c/99a37ab76a315c8307eb5b0dc095d8ad9d8efeaa",
        "https://git.kernel.org/stable/c/c47ed91156daf328601d02b58d52d9804da54108",
        "https://git.kernel.org/stable/c/d42ad3f161a5a487f81915c406f46943c7187a0a",
        "https://git.kernel.org/stable/c/e4b168c64da06954be5d520f6c16469b1cadc069",
        "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html",
        "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53685.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-53685",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53685.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-53685",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 492705,
  "published_at": "2025-01-11T12:35:40.252+00:00"
}