CVE-2026-45864 (GCVE-0-2026-45864)

Vulnerability from cvelistv5 – Published: 2026-05-27 12:15 – Updated: 2026-05-27 12:15
VLAI
Title
fs/ntfs3: prevent infinite loops caused by the next valid being the same
Summary
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: prevent infinite loops caused by the next valid being the same When processing valid within the range [valid : pos), if valid cannot be retrieved correctly, for example, if the retrieved valid value is always the same, this can trigger a potential infinite loop, similar to the hung problem reported by syzbot [1]. Adding a check for the valid value within the loop body, and terminating the loop and returning -EINVAL if the value is the same as the current value, can prevent this. [1] INFO: task syz.4.21:6056 blocked for more than 143 seconds. Call Trace: rwbase_write_lock+0x14f/0x750 kernel/locking/rwbase_rt.c:244 inode_lock include/linux/fs.h:1027 [inline] ntfs_file_write_iter+0xe6/0x870 fs/ntfs3/file.c:1284
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 4342306f0f0d5ff4315a204d315c1b51b914fca5 , < 50c822fcb36768f1fb356f05b02a2248ef81936d (git)
Affected: 4342306f0f0d5ff4315a204d315c1b51b914fca5 , < 6d93239b4fc479f7c0a412dd196ec0ca2672d14a (git)
Affected: 4342306f0f0d5ff4315a204d315c1b51b914fca5 , < 71c8b966ec56e13c02388c1312910588bb49be7a (git)
Affected: 4342306f0f0d5ff4315a204d315c1b51b914fca5 , < b97e371e5d1c13d722335d46eb8bc1a22b272a0e (git)
Affected: 4342306f0f0d5ff4315a204d315c1b51b914fca5 , < 4bf3bafb8e0635ed93e3cd4156dcbcc0fb960cb4 (git)
Affected: 4342306f0f0d5ff4315a204d315c1b51b914fca5 , < a47a2bb9aa6455d5cee1045814a60c749309c92b (git)
Affected: 4342306f0f0d5ff4315a204d315c1b51b914fca5 , < 27b75ca4e51e3e4554dc85dbf1a0246c66106fd3 (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.15
Unaffected: 0 , < 5.15 (semver)
Unaffected: 5.15.202 , ≤ 5.15.* (semver)
Unaffected: 6.1.165 , ≤ 6.1.* (semver)
Unaffected: 6.6.128 , ≤ 6.6.* (semver)
Unaffected: 6.12.75 , ≤ 6.12.* (semver)
Unaffected: 6.18.14 , ≤ 6.18.* (semver)
Unaffected: 6.19.4 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/ntfs3/file.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "50c822fcb36768f1fb356f05b02a2248ef81936d",
              "status": "affected",
              "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5",
              "versionType": "git"
            },
            {
              "lessThan": "6d93239b4fc479f7c0a412dd196ec0ca2672d14a",
              "status": "affected",
              "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5",
              "versionType": "git"
            },
            {
              "lessThan": "71c8b966ec56e13c02388c1312910588bb49be7a",
              "status": "affected",
              "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5",
              "versionType": "git"
            },
            {
              "lessThan": "b97e371e5d1c13d722335d46eb8bc1a22b272a0e",
              "status": "affected",
              "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5",
              "versionType": "git"
            },
            {
              "lessThan": "4bf3bafb8e0635ed93e3cd4156dcbcc0fb960cb4",
              "status": "affected",
              "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5",
              "versionType": "git"
            },
            {
              "lessThan": "a47a2bb9aa6455d5cee1045814a60c749309c92b",
              "status": "affected",
              "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5",
              "versionType": "git"
            },
            {
              "lessThan": "27b75ca4e51e3e4554dc85dbf1a0246c66106fd3",
              "status": "affected",
              "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/ntfs3/file.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.15"
            },
            {
              "lessThan": "5.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.202",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.165",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.128",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.75",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.14",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.202",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.165",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.128",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.75",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.14",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.4",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-27T12:15:43.807Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/50c822fcb36768f1fb356f05b02a2248ef81936d"
        },
        {
          "url": "https://git.kernel.org/stable/c/6d93239b4fc479f7c0a412dd196ec0ca2672d14a"
        },
        {
          "url": "https://git.kernel.org/stable/c/71c8b966ec56e13c02388c1312910588bb49be7a"
        },
        {
          "url": "https://git.kernel.org/stable/c/b97e371e5d1c13d722335d46eb8bc1a22b272a0e"
        },
        {
          "url": "https://git.kernel.org/stable/c/4bf3bafb8e0635ed93e3cd4156dcbcc0fb960cb4"
        },
        {
          "url": "https://git.kernel.org/stable/c/a47a2bb9aa6455d5cee1045814a60c749309c92b"
        },
        {
          "url": "https://git.kernel.org/stable/c/27b75ca4e51e3e4554dc85dbf1a0246c66106fd3"
        }
      ],
      "title": "fs/ntfs3: prevent infinite loops caused by the next valid being the same",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-45864",
    "datePublished": "2026-05-27T12:15:43.807Z",
    "dateReserved": "2026-05-13T15:03:33.080Z",
    "dateUpdated": "2026-05-27T12:15:43.807Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-45864",
      "date": "2026-09-29",
      "epss": "0.00162",
      "percentile": "0.04774"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Linux",
                "programFiles": [
                  "fs/ntfs3/file.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "lessThan": "50c822fcb36768f1fb356f05b02a2248ef81936d",
                    "status": "affected",
                    "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "6d93239b4fc479f7c0a412dd196ec0ca2672d14a",
                    "status": "affected",
                    "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "71c8b966ec56e13c02388c1312910588bb49be7a",
                    "status": "affected",
                    "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "b97e371e5d1c13d722335d46eb8bc1a22b272a0e",
                    "status": "affected",
                    "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "4bf3bafb8e0635ed93e3cd4156dcbcc0fb960cb4",
                    "status": "affected",
                    "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "a47a2bb9aa6455d5cee1045814a60c749309c92b",
                    "status": "affected",
                    "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "27b75ca4e51e3e4554dc85dbf1a0246c66106fd3",
                    "status": "affected",
                    "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5",
                    "versionType": "git"
                  }
                ]
              },
              {
                "defaultStatus": "affected",
                "product": "Linux",
                "programFiles": [
                  "fs/ntfs3/file.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "status": "affected",
                    "version": "5.15"
                  },
                  {
                    "lessThan": "5.15",
                    "status": "unaffected",
                    "version": "0",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "5.15.*",
                    "status": "unaffected",
                    "version": "5.15.202",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.1.*",
                    "status": "unaffected",
                    "version": "6.1.165",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.6.*",
                    "status": "unaffected",
                    "version": "6.6.128",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.12.*",
                    "status": "unaffected",
                    "version": "6.12.75",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.18.*",
                    "status": "unaffected",
                    "version": "6.18.14",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.19.*",
                    "status": "unaffected",
                    "version": "6.19.4",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "*",
                    "status": "unaffected",
                    "version": "7.0",
                    "versionType": "original_commit_for_fix"
                  }
                ]
              }
            ],
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "B0330CE4-09CE-43EF-A9C8-CD49FFD1DC98",
                    "versionEndExcluding": "5.15.202",
                    "versionStartIncluding": "5.15",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "797C7F46-D0BE-4FB8-A502-C5EF8E6B6654",
                    "versionEndExcluding": "6.1.165",
                    "versionStartIncluding": "5.16",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "851E9353-6C09-4CC9-877E-E09DB164A3C2",
                    "versionEndExcluding": "6.6.128",
                    "versionStartIncluding": "6.2",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "BCE16369-98ED-41CF-8995-DFDC10B288D2",
                    "versionEndExcluding": "6.12.75",
                    "versionStartIncluding": "6.7",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "BF463CB7-1F58-4607-B847-77ED23E4B9B7",
                    "versionEndExcluding": "6.18.14",
                    "versionStartIncluding": "6.13",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "672A3E79-EC03-479D-8503-361DFBDC8092",
                    "versionEndExcluding": "6.19.4",
                    "versionStartIncluding": "6.19",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "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",
        "lastModified": "2026-06-25T21:07:13.457",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2026-05-27T14:16:58.667",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/27b75ca4e51e3e4554dc85dbf1a0246c66106fd3"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/4bf3bafb8e0635ed93e3cd4156dcbcc0fb960cb4"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/50c822fcb36768f1fb356f05b02a2248ef81936d"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/6d93239b4fc479f7c0a412dd196ec0ca2672d14a"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/71c8b966ec56e13c02388c1312910588bb49be7a"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/a47a2bb9aa6455d5cee1045814a60c749309c92b"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/b97e371e5d1c13d722335d46eb8bc1a22b272a0e"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-835"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T07:39:49+00:00",
      "cve": "CVE-2026-45864",
      "id": "CVE-2026-45864",
      "initial_release_date": "2026-05-27T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: fs/ntfs3: prevent infinite loops caused by the next valid being the same",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45864.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-27T17:01:15Z",
      "cve": "CVE-2026-45864",
      "id": "CVE-2026-45864",
      "initial_release_date": "2026-05-28T03:57:15Z",
      "product_status:known_affected": "4",
      "product_status:known_not_affected": "297",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-45864",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-45864.json",
      "version": "5"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.