fs/ntfs3: Initialize new folios before use

{
  "id": "86b138000a5d1195b323a98a674288c9b847441d0f2a17036ae9135fb3dad9af",
  "url": "https://osv.dev/vulnerability/CVE-2025-71311",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "fs/ntfs3: Initialize new folios before use",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Initialize new folios before use KMSAN reports an uninitialized value in longest_match_std(), invoked from ntfs_compress_write(). When new folios are allocated without being marked uptodate and ni_read_frame() is skipped because the caller expects the frame to be completely overwritten, some reserved folios may remain only partially filled, leaving the rest memory uninitialized.",
    "evidence": "osv:CVE-2025-71311",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.12.75",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.14",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.19.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-71311",
      "aliases": [
        "CVE-2025-71311"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "584f60ba22f79c89e6708ab82a5b5d9b8fa21fb2"
                },
                {
                  "fixed": "dd6c81527d097b3b0bf5a15c2fdc9657d045144c"
                },
                {
                  "fixed": "5a30cc03bde169ad558695b26da6ea7e55f6194a"
                },
                {
                  "fixed": "41d79f8e2a36622d148719bf7c18b46ac1264284"
                },
                {
                  "fixed": "f223ebffa185cc8da934333c5a31ff2d4f992dc9"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-71311.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.11.0"
                },
                {
                  "fixed": "6.12.75"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.18.14"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.19.0"
                },
                {
                  "fixed": "6.19.4"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-71311.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:43.216133395Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/41d79f8e2a36622d148719bf7c18b46ac1264284",
        "https://git.kernel.org/stable/c/5a30cc03bde169ad558695b26da6ea7e55f6194a",
        "https://git.kernel.org/stable/c/dd6c81527d097b3b0bf5a15c2fdc9657d045144c",
        "https://git.kernel.org/stable/c/f223ebffa185cc8da934333c5a31ff2d4f992dc9",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71311.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-71311",
        "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/2025/71xxx/CVE-2025-71311.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-71311",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 510687,
  "published_at": "2026-05-27T12:24:02.532+00:00"
}