{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "4342306f0f0d5ff4315a204d315c1b51b914fca5"
            },
            {
              "fixed": "50c822fcb36768f1fb356f05b02a2248ef81936d"
            },
            {
              "fixed": "6d93239b4fc479f7c0a412dd196ec0ca2672d14a"
            },
            {
              "fixed": "71c8b966ec56e13c02388c1312910588bb49be7a"
            },
            {
              "fixed": "b97e371e5d1c13d722335d46eb8bc1a22b272a0e"
            },
            {
              "fixed": "4bf3bafb8e0635ed93e3cd4156dcbcc0fb960cb4"
            },
            {
              "fixed": "a47a2bb9aa6455d5cee1045814a60c749309c92b"
            },
            {
              "fixed": "27b75ca4e51e3e4554dc85dbf1a0246c66106fd3"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.15.0"
            },
            {
              "fixed": "5.15.202"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.165"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.128"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "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"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45864.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: prevent infinite loops caused by the next valid being the same\n\nWhen processing valid within the range [valid : pos), if valid cannot\nbe retrieved correctly, for example, if the retrieved valid value is\nalways the same, this can trigger a potential infinite loop, similar\nto the hung problem reported by syzbot [1].\n\nAdding a check for the valid value within the loop body, and terminating\nthe loop and returning -EINVAL if the value is the same as the current\nvalue, can prevent this.\n\n[1]\nINFO: task syz.4.21:6056 blocked for more than 143 seconds.\nCall Trace:\n rwbase_write_lock+0x14f/0x750 kernel/locking/rwbase_rt.c:244\n inode_lock include/linux/fs.h:1027 [inline]\n ntfs_file_write_iter+0xe6/0x870 fs/ntfs3/file.c:1284",
  "id": "CVE-2026-45864",
  "modified": "2026-07-08T05:39:08.408590806Z",
  "published": "2026-05-27T12:15:43.807Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/27b75ca4e51e3e4554dc85dbf1a0246c66106fd3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4bf3bafb8e0635ed93e3cd4156dcbcc0fb960cb4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/50c822fcb36768f1fb356f05b02a2248ef81936d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6d93239b4fc479f7c0a412dd196ec0ca2672d14a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/71c8b966ec56e13c02388c1312910588bb49be7a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a47a2bb9aa6455d5cee1045814a60c749309c92b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b97e371e5d1c13d722335d46eb8bc1a22b272a0e"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45864.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45864"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "fs/ntfs3: prevent infinite loops caused by the next valid being the same"
}