CVE-2026-72206

In the Linux kernel, the following vulnerability has been resolved: ntfs: validate index block header more strictly Modify ntfs_index_block_inconsisent() to perform stricter validation of INDEX_HEADER geometry in INDX blocks, and update ntfs_lookup_inode_by_name() to use that function to validate INDX blocks.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/14bc34fe948523dc2b0174691f9af9e74eb4f3fd
https://git.kernel.org/stable/c/34a49b3e94a50f45b62c6e6f574f676a079ba23e

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-15 06:21

Updated : 2026-08-18 07:16

NVD link : CVE-2026-72206

Mitre link : CVE-2026-72206

CVE.ORG link : CVE-2026-72206

JSON object : View

Products Affected

No product.

CWE

No CWE.

{"id": "CVE-2026-72206", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "1e9ea7e04472d4e5e12e58c881eaacfb3e49b669", "lessThan": "34a49b3e94a50f45b62c6e6f574f676a079ba23e", "versionType": "git"}, {"status": "affected", "version": "1e9ea7e04472d4e5e12e58c881eaacfb3e49b669", "lessThan": "14bc34fe948523dc2b0174691f9af9e74eb4f3fd", "versionType": "git"}], "programFiles": ["fs/ntfs/dir.c", "fs/ntfs/index.c", "fs/ntfs/index.h"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "7.1"}, {"status": "unaffected", "version": "0", "lessThan": "7.1", "versionType": "semver"}, {"status": "unaffected", "version": "7.1.5", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["fs/ntfs/dir.c", "fs/ntfs/index.c", "fs/ntfs/index.h"], "defaultStatus": "affected"}]}], "published": "2026-08-15T06:21:39.307", "references": [{"url": "https://git.kernel.org/stable/c/14bc34fe948523dc2b0174691f9af9e74eb4f3fd", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/34a49b3e94a50f45b62c6e6f574f676a079ba23e", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Received", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntfs: validate index block header more strictly\n\nModify ntfs_index_block_inconsisent() to perform stricter validation of\nINDEX_HEADER geometry in INDX blocks, and update\nntfs_lookup_inode_by_name() to use that function to validate INDX\nblocks."}], "lastModified": "2026-08-18T07:16:53.963", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}