BaseFortify

Publication date: 2025-10-07

Last updated on: 2026-02-03

Assigner: kernel.org

Description

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

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2025-10-07

Last Modified

2026-02-03

Generated

2026-07-06

AI Q&A

2025-10-07

EPSS Evaluated

2026-07-05

NVD

CVE-2023-53626

Affected Vendors & Products

Vendor	Product	Version / Range
linux	linux_kernel	6.3
linux	linux_kernel	5.10.175
linux	linux_kernel	5.15.103
linux	linux_kernel	5.4.237
linux	linux_kernel	6.1.20
linux	linux_kernel	6.2.7
linux	linux_kernel	From 5.15.160 (inc) to 5.16 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-415	The product calls free() twice on the same memory address.

Attack-Flow Graph

Executive Summary

This vulnerability in the Linux kernel's ext4 filesystem involves a possible double unlock when moving a directory. This means that during the operation of moving a directory, the kernel might attempt to release a lock twice, which can lead to instability or unexpected behavior in the system.

Impact Analysis

The impact of this vulnerability could include system instability, crashes, or potential security issues due to improper handling of locks in the filesystem when moving directories. This could affect system reliability and data integrity.

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