---
id: CVE-2025-11568
title: >-
  A data corruption vulnerability has been identified in the luksmeta utility
  when used with the LUKS1 disk encryption format
summary: >-
  A data corruption vulnerability has been identified in the luksmeta utility
  when used with the LUKS1 disk encryption format. An attacker with the
  necessary permissions can exploit this flaw by writing a large amount of
  metadata to an enc…
severity: medium
cvss: 4.4
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N'
cwe:
  - CWE-1284
published: '2025-10-15'
updated: '2026-06-25'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-11568'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2025:23086'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:18421'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:18824'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/security/cve/CVE-2025-11568'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2404244'
    label: secalert@redhat.com
  - url: 'https://github.com/latchset/luksmeta/pull/16'
    label: secalert@redhat.com
tags:
  - nvd
epss: 0.00102
epssPercentile: 0.00871
ingestedAt: '2026-06-29T13:24:34.590Z'
---

## Overview

A data corruption vulnerability has been identified in the luksmeta utility when used with the LUKS1 disk encryption format. An attacker with the necessary permissions can exploit this flaw by writing a large amount of metadata to an encrypted device. The utility fails to correctly validate the available space, causing the metadata to overwrite and corrupt the user's encrypted data. This action leads to a permanent loss of the stored information. Devices using the LUKS formats other than LUKS1 are not affected by this issue.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.