CVE-2026-45864

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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"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ntfs3/file.c"], "versions": [{"version": "4342306f0f0d5ff4315a204d315c1b51b914fca5", "lessThan": "50c822fcb36768f1fb356f05b02a2248ef81936d", "status": "affected", "versionType": "git"}, {"version": "4342306f0f0d5ff4315a204d315c1b51b914fca5", "lessThan": "6d93239b4fc479f7c0a412dd196ec0ca2672d14a", "status": "affected", "versionType": "git"}, {"version": "4342306f0f0d5ff4315a204d315c1b51b914fca5", "lessThan": "71c8b966ec56e13c02388c1312910588bb49be7a", 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"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"}}}}

{}

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"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"}]}

{"bugzilla": {"description": "kernel: fs/ntfs3: prevent infinite loops caused by the next valid being the same", "id": "2481933", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2481933"}, "csaw": false, "cwe": "CWE-606", "details": ["A flaw was found in the Linux kernel's NTFS3 file system driver. This vulnerability allows a local attacker to trigger an infinite loop when the system attempts to process specific file system data. Successful exploitation can lead to a system hang, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-45864", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-45864\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-45864\nhttps://lore.kernel.org/linux-cve-announce/2026052711-CVE-2026-45864-96c6@gregkh/T"], "threat_severity": "Moderate"}

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