---
id: CVE-2026-89613
title: 'ntfs: reject invalid empty mapping pairs'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  ntfs: reject invalid empty mapping pairs

  Reject an attribute with empty mapping pairs if it has inconsistent
  highest VCN and size.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-130
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 11ccc9107dc460de28af90fac1f42404d9802735 <
    b0cc6dbc655e037251874b3e0dd1a760dcf29007
  - >-
    Linux >= 11ccc9107dc460de28af90fac1f42404d9802735 <
    766062a82e1ce4087c7dc077224144dfd34b3661
  - Linux 7.1
published: '2026-09-11'
updated: '2026-10-19'
sourceUpdated: '2026-10-19T08:49:45.874Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-89613'
references:
  - url: 'https://git.kernel.org/stable/c/b0cc6dbc655e037251874b3e0dd1a760dcf29007'
  - url: 'https://git.kernel.org/stable/c/766062a82e1ce4087c7dc077224144dfd34b3661'
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89613.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-89613'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2532432'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-89613'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-89613'
  - url: >-
      https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-89613.mbox
tags:
  - cve.org
  - csaf
  - vex
  - red-hat
  - score-dispute
epss: 0.00553
epssPercentile: 0.46017
scores:
  cna: 9.8
  vendor: 5.5
ingestedAt: '2026-09-14T15:23:07.474Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

ntfs: reject invalid empty mapping pairs

Reject an attribute with empty mapping pairs if it has inconsistent
highest VCN and size.

## Affected

- `Linux >= 11ccc9107dc460de28af90fac1f42404d9802735 < b0cc6dbc655e037251874b3e0dd1a760dcf29007`
- `Linux >= 11ccc9107dc460de28af90fac1f42404d9802735 < 766062a82e1ce4087c7dc077224144dfd34b3661`
- `Linux 7.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Moderate · updated 2026-09-15 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89613.json)