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7.8
HIGH CVSS 3.1
CVE-2023-53626
ext4: fix possible double unlock when moving a directory
Description

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

INFO

Published Date :

Oct. 7, 2025, 4:15 p.m.

Last Modified :

Feb. 3, 2026, 10:27 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2023-53626 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
Solution
Apply the patch to fix the double unlock issue in ext4 directory moving.
  • Apply the provided patch to the ext4 filesystem.
  • Update the Linux kernel to the patched version.
  • Reboot the system after applying updates.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-53626.

URL Resource
https://git.kernel.org/stable/c/020166bc6669ca9fb267ebd96bd88c4fb64a5d46 Patch
https://git.kernel.org/stable/c/1c93c42c7bb23057bde8a0a2ab834927ff64d20c Patch
https://git.kernel.org/stable/c/43ce288ab5d7274a4a141d7f5e3ed2ab7b41f8a2 Patch
https://git.kernel.org/stable/c/70e42feab2e20618ddd0cbfc4ab4b08628236ecd Patch
https://git.kernel.org/stable/c/c16cbd8233d6c58fc488545393e49b5d55729990 Patch
https://git.kernel.org/stable/c/e71eb4dca41f0f36823724ced0406bb2dbdd5506 Patch
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-53626 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-53626 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-53626 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2023-53626 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Feb. 03, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-415
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.10.175:*:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.15.103:*:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.4.237:*:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.1.20:*:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2.7:*:*:*:*:*:*:*
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/020166bc6669ca9fb267ebd96bd88c4fb64a5d46 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/1c93c42c7bb23057bde8a0a2ab834927ff64d20c Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/43ce288ab5d7274a4a141d7f5e3ed2ab7b41f8a2 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/70e42feab2e20618ddd0cbfc4ab4b08628236ecd Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/c16cbd8233d6c58fc488545393e49b5d55729990 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/e71eb4dca41f0f36823724ced0406bb2dbdd5506 Types: Patch
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Oct. 07, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: ext4: fix possible double unlock when moving a directory
    Added Reference https://git.kernel.org/stable/c/020166bc6669ca9fb267ebd96bd88c4fb64a5d46
    Added Reference https://git.kernel.org/stable/c/1c93c42c7bb23057bde8a0a2ab834927ff64d20c
    Added Reference https://git.kernel.org/stable/c/43ce288ab5d7274a4a141d7f5e3ed2ab7b41f8a2
    Added Reference https://git.kernel.org/stable/c/70e42feab2e20618ddd0cbfc4ab4b08628236ecd
    Added Reference https://git.kernel.org/stable/c/c16cbd8233d6c58fc488545393e49b5d55729990
    Added Reference https://git.kernel.org/stable/c/e71eb4dca41f0f36823724ced0406bb2dbdd5506
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact