CVE-2025-39753

kernel: Linux kernel (gfs2): Denial of Service due to missing migrate_folio implementation

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 11, 2025

Updated · June 30, 2026

Description

A flaw was found in the Linux kernel's Global File System 2 (gfs2) component. A local user could exploit this vulnerability due to the gfs2_meta_aops not properly handling folio migration. This oversight can lead to system instability and cause a Denial of Service (DoS) by triggering kernel warnings and failures during specific filesystem operations.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-166 · Improper Handling of Missing Special Element