---
id: CVE-2023-53626
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  ext4: fix possible double unlock when moving a directory
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  ext4: fix possible double unlock when moving a directory
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'
cwe:
  - CWE-415
vendor: linux
product: linux_kernel
affected:
  - linux_kernel = 5.4.237
  - linux_kernel = 5.10.175
  - linux_kernel = 5.15.103
  - linux_kernel = 6.1.20
  - linux_kernel = 6.2.7
  - linux_kernel = 6.3
published: '2025-10-07'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T22:17:44.557'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2023-53626'
references:
  - url: 'https://git.kernel.org/stable/c/020166bc6669ca9fb267ebd96bd88c4fb64a5d46'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/1c93c42c7bb23057bde8a0a2ab834927ff64d20c'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/43ce288ab5d7274a4a141d7f5e3ed2ab7b41f8a2'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/70e42feab2e20618ddd0cbfc4ab4b08628236ecd'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/c16cbd8233d6c58fc488545393e49b5d55729990'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/e71eb4dca41f0f36823724ced0406bb2dbdd5506'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
  - cve.org
epss: 0.0022
epssPercentile: 0.12412
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-15T21:36:01.494901Z'
ingestedAt: '2026-10-15T22:48:25.410Z'
---

## Overview

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

ext4: fix possible double unlock when moving a directory

## Affected

- `linux_kernel = 5.4.237`
- `linux_kernel = 5.10.175`
- `linux_kernel = 5.15.103`
- `linux_kernel = 6.1.20`
- `linux_kernel = 6.2.7`
- `linux_kernel = 6.3`

## Remediation

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