---
id: CVE-2026-89829
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  f2fs: fix to pass folio->index to f2fs_sanity_check_node_footer()

  Otherwise in f2fs_sanity_check_node_footer(), it will check the
  same nid incorrectly.
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  f2fs: fix to pass folio->index to f2fs_sanity_check_node_footer()

  Otherwise in f2fs_sanity_check_node_footer(), it will check the
  same nid incorrectly.
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= cd2fec912a0f04390d446ed692f73f2da842855f <
    a984446aa9d5b787afa3023fc7b44017b80fe3bc
  - >-
    Linux >= 0a736109c9d29de0c26567e42cb99b27861aa8ba <
    0b196c07407f48a41cd9741cf53e10cb1e23d2e5
  - >-
    Linux >= 0a736109c9d29de0c26567e42cb99b27861aa8ba <
    7e188e9f9437ab47c3237d609f1b26348d6fea1a
  - Linux 971aa8e2a4043d92bf62061b79f74fd4ac59165a
  - Linux >= 6.18.13 < 6.18.51
  - Linux >= 6.19.3 < 6.20
  - Linux 7.0
published: '2026-09-16'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T15:18:11.667'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-89829'
references:
  - url: 'https://git.kernel.org/stable/c/0b196c07407f48a41cd9741cf53e10cb1e23d2e5'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/7e188e9f9437ab47c3237d609f1b26348d6fea1a'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/a984446aa9d5b787afa3023fc7b44017b80fe3bc'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-16T10:53:54.000Z'
epss: 0.00173
epssPercentile: 0.05953
---

## Overview

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

f2fs: fix to pass folio->index to f2fs_sanity_check_node_footer()

Otherwise in f2fs_sanity_check_node_footer(), it will check the
same nid incorrectly.

## Remediation

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