f2fs: fix to detect potential corrupted nid in free_nid_list

{
  "id": "eff4606535d928404d3b01f471bf10dfd1f6a82047cc9de67fd4c65c060d2458",
  "url": "https://osv.dev/vulnerability/CVE-2025-68315",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "f2fs: fix to detect potential corrupted nid in free_nid_list",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to detect potential corrupted nid in free_nid_list As reported, on-disk footer.ino and footer.nid is the same and out-of-range, let's add sanity check on f2fs_alloc_nid() to detect any potential corruption in free_nid_list.",
    "evidence": "osv:CVE-2025-68315",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.1.175",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.140",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.58",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.17.8",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "CVE-2025-68315",
      "aliases": [
        "CVE-2025-68315"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "98e4da8ca301e062d79ae168c67e56f3c3de3ce4"
                },
                {
                  "fixed": "88b2ddb0c4f1dc874d4598e78cc830c64315ed86"
                },
                {
                  "fixed": "9337ed5e777e1c19854928cba7a8131dd00e611b"
                },
                {
                  "fixed": "6b9525596a83cd5b7bbc2c7bd5f9ad9cf5ad60fa"
                },
                {
                  "fixed": "adbcb34f03abb89e681a5907c4c3ce4bf224991d"
                },
                {
                  "fixed": "8fc6056dcf79937c46c97fa4996cda65956437a9"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-68315.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "3.8.0"
                },
                {
                  "fixed": "6.1.175"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.140"
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            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.12.58"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.17.8"
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              ]
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-68315.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:38.537136054Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/6b9525596a83cd5b7bbc2c7bd5f9ad9cf5ad60fa",
        "https://git.kernel.org/stable/c/88b2ddb0c4f1dc874d4598e78cc830c64315ed86",
        "https://git.kernel.org/stable/c/8fc6056dcf79937c46c97fa4996cda65956437a9",
        "https://git.kernel.org/stable/c/9337ed5e777e1c19854928cba7a8131dd00e611b",
        "https://git.kernel.org/stable/c/adbcb34f03abb89e681a5907c4c3ce4bf224991d",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68315.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-68315",
        "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/2025/68xxx/CVE-2025-68315.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-68315",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 505943,
  "published_at": "2025-12-16T15:39:45.716+00:00"
}