Security readout for executives and security teams
Plain-English summary
CVE-2025-11568 can cause permanent encrypted data loss when luksmeta is used with LUKS1 volumes. A user or process with high local privileges can write excessive metadata, and luksmeta may overwrite encrypted user data. This is not a remote takeover issue, but it is serious for systems relying on LUKS1 encrypted storage.
Executive priority
Treat as a targeted data-loss risk for encrypted storage operations, not an internet-scale emergency. Prioritize systems with LUKS1 and luksmeta, especially regulated or business-critical data stores where irreversible corruption would cause operational impact.
Technical view
The flaw is improper validation of available metadata space in luksmeta for LUKS1 partitions. CVSS is 4.4 with local access, low complexity, high privileges, no user interaction, and high integrity impact. Other LUKS formats are stated as unaffected. Red Hat lists affected RHEL and OpenShift/RHCOS package contexts.
Likely exposure
Exposure is most likely on Linux systems that have luksmeta installed and manage LUKS1 encrypted devices. The source bundle lists affected Red Hat Enterprise Linux 7, 8, 9, 10 and Red Hat OpenShift Container Platform 4/RHCOS contexts.
Exploitation context
No active exploitation is indicated; the CVE is not in KEV. Abuse requires local high privileges and interaction with an encrypted device. The practical risk is destructive data corruption rather than confidentiality loss or remote code execution.
Researcher notes
Key constraints are local access and high privileges. The affected condition is specifically luksmeta handling LUKS1 metadata space. The public bundle does not support claims of remote exploitation or broad compromise. Upstream pull request and Red Hat advisories should be reviewed for implementation details and fixed versions.
Mitigation direction
- Identify systems with luksmeta installed and LUKS1 encrypted volumes.
- Prioritize Red Hat systems listed as affected in the vendor advisories.
- Apply applicable vendor security updates from referenced Red Hat advisories.
- If updates are unavailable, follow vendor guidance before using luksmeta on LUKS1 devices.
- Maintain verified backups for any LUKS1 volumes managed with luksmeta.
Validation and detection
- Inventory luksmeta package presence and version across Linux fleets.
- Confirm whether encrypted devices use LUKS1 versus other LUKS formats.
- Map installed packages to affected Red Hat product versions.
- Review Red Hat advisory status for fixed package availability.
- Verify backups and recovery procedures for affected encrypted volumes.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-1284: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupContainer behavior lookup
The affected technology mentions containers, so container-specific ATT&CK technique review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2025-11568 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N0.83.6redhatVulnerability scoring details
Base CVSS 3.1 score
4.4MediumVector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- Source timelineredhat
Made public.
- Source timelineredhat
Reported to Red Hat.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- RHSA-2025:23086CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2026:18421CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2026:18824CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-11568CVE reference, redhat · vdb-entry, x_refsource_REDHAT
- RHBZ#2404244CVE reference, redhat · issue-tracking, x_refsource_REDHAT
- https://github.com/latchset/luksmeta/pull/16CVE reference, redhat
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Validation of Specified Quantity in Input
Improper Validation of Specified Quantity in Input represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.