Description
A flaw was found in luksmeta. Improper boundary validation of metadata slots allows an attacker capable of supplying or modifying a disk header to redirect wipe or load operations outside the intended metadata area. An attacker could exploit this vulnerability by providing a crafted header with valid checksums to overwrite or zero out encrypted payload data, resulting in persistent data loss and corrupted storage. Exploitation typically requires privileged access to modify raw block devices or the ability to induce an administrator to process an untrusted disk image.
Published: 2026-10-16
Score: 6 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Data Loss
Action: Assess Impact
AI Analysis

Impact

A flaw in the luksmeta subsystem allows an attacker who can supply or modify a disk header to redirect wipe or load operations outside the designated metadata region. The improper boundary validation permits the attacker to overwrite or zero out parts of the encrypted payload, causing persistent data loss and corrupted storage. Successful exploitation can lead to the loss of all data on the affected block device and compromise the integrity of the storage environment.

Affected Systems

The vulnerability affects all Red Hat products listed in the CNA data: Red Hat Enterprise Linux 10, 7, 8, and 9, as well as Red Hat OpenShift Container Platform 4. No version constraints were specified in the CNA affected-version information, so the entire product line for the mentioned releases is considered vulnerable.

Risk and Exploitability

The CVSS score of 6.0 indicates a medium severity risk. The EPSS score is not available, and the issue is not currently listed in the CISA Known Exploited Vulnerabilities catalog. The attack vector is inferred to require privileged access to raw block devices or the ability to convince an administrator to load an untrusted disk image. Because the vulnerability can cause irreversible data loss and requires only local or social‑engineering privileges, the overall threat is moderate but potentially significant for environments where unattended block device access is possible.

Generated by OpenCVE AI on October 16, 2026 at 14:55 UTC.

Remediation

Vendor Workaround

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.


OpenCVE Recommended Actions

  • Limit privileged access to raw block devices and restrict operations that modify or read disk headers to trusted users only.
  • Disable or tightly control any utilities or scripts that can load or process untrusted disk images, ensuring they run with the least privilege required.
  • Monitor system logs for unauthorized changes to disk headers and enforce audit trails to detect suspicious activity.

Generated by OpenCVE AI on October 16, 2026 at 14:55 UTC.

Tracking

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Advisories

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History

Mon, 02 Nov 2026 21:30:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:openshift:5

Wed, 21 Oct 2026 20:45:00 +0000

Type Values Removed Values Added
First Time appeared Luksmeta
Luksmeta luksmeta
Redhat openshift Container Platform
Vendors & Products Luksmeta
Luksmeta luksmeta
Redhat openshift Container Platform

Mon, 19 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sat, 17 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Fri, 16 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
Description A flaw was found in luksmeta. Improper boundary validation of metadata slots allows an attacker capable of supplying or modifying a disk header to redirect wipe or load operations outside the intended metadata area. An attacker could exploit this vulnerability by providing a crafted header with valid checksums to overwrite or zero out encrypted payload data, resulting in persistent data loss and corrupted storage. Exploitation typically requires privileged access to modify raw block devices or the ability to induce an administrator to process an untrusted disk image.
Title Luksmeta: missing slot-range validation permits out-of-gap device i/o
First Time appeared Redhat
Redhat enterprise Linux
Redhat openshift
Weaknesses CWE-1285
CPEs cpe:/a:redhat:openshift:4
cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
Redhat openshift
References
Metrics cvssV3_1

{'score': 6, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H'}


Subscriptions

Luksmeta Luksmeta
Redhat Enterprise Linux Openshift Openshift Container Platform
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-11-02T21:28:45.044Z

Reserved: 2026-10-16T11:11:18.210Z

Link: CVE-2026-111555

cve-icon Vulnrichment

Updated: 2026-10-19T15:03:30.875Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-16T13:16:56.620

Modified: 2026-11-02T22:17:17.790

Link: CVE-2026-111555

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-10-16T11:12:21Z

Links: CVE-2026-111555 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-21T20:22:26Z

Weaknesses
  • CWE-1285

    Improper Validation of Specified Index, Position, or Offset in Input