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Vulnerability DatabaseCVE-2023-53626
CVE-2023-53626:
Linux Kernel vulnerability analysis and mitigation
Overview
CVE-2023-53626 is a vulnerability discovered in the Linux kernel that involves a possible double unlock condition when moving a directory in the ext4 filesystem. The issue was publicly disclosed and added to the NVD database on October 7, 2025 (NVD).
Technical details
The vulnerability specifically affects the ext4 filesystem component of the Linux kernel, where a double unlock condition can occur during directory movement operations. Red Hat has assessed this vulnerability with a CVSS v3.1 base score of 5.3 (AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H) (Red Hat).
Impact
The vulnerability could potentially lead to system instability or denial of service conditions when manipulating directories in ext4 filesystems (Red Hat).
Mitigation and workarounds
Fixed versions have been released for various Linux distributions. Debian has addressed this in versions 5.10.223-1 for bullseye, 6.1.148-1 for bookworm, 6.12.43-1 for trixie, and 6.16.12-2 for forky/sid (Debian Tracker).
Additional resources
Source: This report was generated using AI
Related Linux Kernel vulnerabilities:
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