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CVE-2025-40313· NVD / CVE Program· CNA Linux

ntfs3: pretend $Extend records as regular files

In the Linux kernel, the following vulnerability has been resolved: ntfs3: pretend $Extend records as regular files Since commit af153bb63a33 ("vfs: catch invalid modes in may_open()") requires any inode be one of S_IFDIR/S_IFLNK/S_IFREG/S_IFCHR/S_IFBLK/ S_IFIFO/S_IFSOCK type, use S_IFREG for $Extend records.

—No exploit Fix available

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Published
Dec 7, 2025
Updated
Jun 17, 2026
EPSS
0.2% · 8th percentile
CWE
—
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Report tools

JSON

Action score

0

Monitor

Low priority for now.

CVSS
0 / 40 · —
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

Affected systems

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Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 5.15affected
    • 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e and later · before 63eb6730ce0604d3eacf036c2f68ea70b068317caffected · git
    • 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e and later · before 78d46f5276ed3589aaaa435580068c5b62efc921affected · git
    • 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e and later · before 17249b2a65274f73ed68bcd1604e08a60fd8a278affected · git
    • 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e and later · before 37f65e68ba9852dc51c78dbb54a9881c3f0fe4f7affected · git
    • 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e and later · before 57534db1bbc4ca772393bb7d92e69d5e7b9051cfaffected · git
    • 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e and later · before 4e8011ffec79717e5fdac43a7e79faf811a384b7affected · git
    • before 5.15not affected · semver
    • 5.15.197 and later · up to and including 5.15.*not affected · semver
    • 6.1.159 and later · up to and including 6.1.*not affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.159-16.1.159-1
Debian:13linuxbefore 6.12.63-16.12.63-1
Debian:14linuxbefore 6.17.8-16.17.8-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

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    40Plan
  • CVE-2026-74279crypto: cavium/cpt - fix DMA cleanup using wrong loop index
    40Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux17249b2a65274f73ed68bcd1604e08a60fd8a278Vendor (CNA)
Linux Linux37f65e68ba9852dc51c78dbb54a9881c3f0fe4f7Vendor (CNA)
Linux Linux4e8011ffec79717e5fdac43a7e79faf811a384b7Vendor (CNA)
Linux Linux57534db1bbc4ca772393bb7d92e69d5e7b9051cfVendor (CNA)
Linux Linux63eb6730ce0604d3eacf036c2f68ea70b068317cVendor (CNA)
Linux Linux78d46f5276ed3589aaaa435580068c5b62efc921Vendor (CNA)
debian:linux6.1.159-1 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

No CVSS vector for this record, so attack conditions can't be derived.

Weakness class (CWE)

—

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

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References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records