PT-2025-41070 · Ext4+3 · Ext4+3

Published 2023-03-17 · Updated 2026-02-03 · CVE-2023-53626

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A flaw exists in the Linux kernel related to the ext4 filesystem. The issue involves a potential double unlock scenario when a directory is being moved.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-765

Related Identifiers

ALSA-2025_16880

BDU:2026-03815

CVE-2023-53626

RHSA-2023:6583

RHSA-2023_6583

SUSE-SU-2025:4111-1

SUSE-SU-2025:4139-1

SUSE-SU-2025:4149-1

SUSE-SU-2025:4320-1

Affected Products

Linux Kernel

Red Hat

Suse

Ext4

References · 456

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53626.json · Exploit
• https://bdu.fstec.ru/vul/2026-03815 · Security Note
• https://cve.org/CVERecord?id=CVE-2023-53626 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:4111-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-53626 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-53626 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53626 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-53626 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4320-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4149-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53626 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4139-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53626 · Security Note
• https://t.me/cveNotify/150800 · Telegram Post
• https://suse.com/security/cve/CVE-2023-53578 · Note