---
id: CVE-2026-89837
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  f2fs: fix dentry folio leak in find_in_level

  find_in_level() gets a dentry folio with f2fs_find_data_folio() before
  calling find_in_block()
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  f2fs: fix dentry folio leak in find_in_level

  find_in_level() gets a dentry folio with f2fs_find_data_folio() before
  calling find_in_block().  If find_in_block() return…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 7ad08a58bf67594057362e45cbddd3e27e53e557 <
    aefb4b0f465b6f95fe02b52d1822a3fb4a9ae922
  - >-
    Linux >= 7ad08a58bf67594057362e45cbddd3e27e53e557 <
    93a3e6a4c9e726a13a935963e8dc43d181db1527
  - >-
    Linux >= 7ad08a58bf67594057362e45cbddd3e27e53e557 <
    cca7d3e30bf30333314e31bc70b9a739f1342167
  - Linux 5.11
published: '2026-09-16'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T11:16:50.513'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-89837'
references:
  - url: 'https://git.kernel.org/stable/c/93a3e6a4c9e726a13a935963e8dc43d181db1527'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/aefb4b0f465b6f95fe02b52d1822a3fb4a9ae922'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/cca7d3e30bf30333314e31bc70b9a739f1342167'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-16T10:53:53.998Z'
epss: 0.00206
epssPercentile: 0.09434
---

## Overview

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

f2fs: fix dentry folio leak in find_in_level

find_in_level() gets a dentry folio with f2fs_find_data_folio() before
calling find_in_block().  If find_in_block() returns an error, the
function stores the error in res_folio and breaks out of the loop without
dropping the dentry folio.

This leaks the folio reference on the find_in_block() error path.  Drop
the dentry folio before returning the error to the caller.

## Remediation

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