filemap: avoid truncating 64-bit offset to 32 bits

{
  "id": "63728a6f42a12d1aad1a5d0293ac3545cc1841d39dd69c40015b588d3f2eaf6d",
  "url": "https://osv.dev/vulnerability/CVE-2025-21665",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "filemap: avoid truncating 64-bit offset to 32 bits",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: filemap: avoid truncating 64-bit offset to 32 bits On 32-bit kernels, folio_seek_hole_data() was inadvertently truncating a 64-bit value to 32 bits, leading to a possible infinite loop when writing to an xfs filesystem.",
    "evidence": "osv:CVE-2025-21665",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.15.177",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.127",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.74",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.11",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-21665",
      "aliases": [
        "CVE-2025-21665"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "54fa39ac2e00b1b8c2a7fe72e648773ffa48f76d"
                },
                {
                  "fixed": "64e5fd96330df2ad278d1c4edcca581f26e5f76e"
                },
                {
                  "fixed": "80fc836f3ebe2f2d2d2c80c698b7667974285a04"
                },
                {
                  "fixed": "09528bb1a4123e2a234eac2bc45a0e51e78dab43"
                },
                {
                  "fixed": "280f1fb89afc01e7376f59ae611d54ca69e9f967"
                },
                {
                  "fixed": "f505e6c91e7a22d10316665a86d79f84d9f0ba76"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-21665.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.12.0"
                },
                {
                  "fixed": "5.15.177"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.127"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.74"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.12.11"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-21665.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:21.347267429Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/09528bb1a4123e2a234eac2bc45a0e51e78dab43",
        "https://git.kernel.org/stable/c/280f1fb89afc01e7376f59ae611d54ca69e9f967",
        "https://git.kernel.org/stable/c/64e5fd96330df2ad278d1c4edcca581f26e5f76e",
        "https://git.kernel.org/stable/c/80fc836f3ebe2f2d2d2c80c698b7667974285a04",
        "https://git.kernel.org/stable/c/f505e6c91e7a22d10316665a86d79f84d9f0ba76",
        "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21665.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-21665",
        "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/2025/21xxx/CVE-2025-21665.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-21665",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 487037,
  "published_at": "2025-01-31T11:25:30.468+00:00"
}