RHEL 9 : luksmeta (RHSA-2026:18824)

medium Nessus Plugin ID 315379

Synopsis

The remote Red Hat host is missing a security update for luksmeta.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:18824 advisory.

LUKSMeta is a simple library for storing metadata in the LUKSv1 header. The luksmeta package is a dependency of the clevis and tang packages, together providing the Network Bound Disk Encryption (NBDE) in Red Hat Enterprise Linux.

Security Fix(es):

* luksmeta: Data corruption when handling LUKS1 partitions with luksmeta (CVE-2025-11568)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 9 Release Notes linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL luksmeta package based on the guidance in RHSA-2026:18824.

See Also

http://www.nessus.org/u?77b8d12b

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=2404244

http://www.nessus.org/u?ada4d412

https://access.redhat.com/errata/RHSA-2026:18824

Plugin Details

Severity: Medium

ID: 315379

File Name: redhat-RHSA-2026-18824.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 5/19/2026

Updated: 5/19/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.1

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:L/AC:L/Au:M/C:N/I:C/A:N

CVSS Score Source: CVE-2025-11568

CVSS v3

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.9

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:libluksmeta, p-cpe:/a:redhat:enterprise_linux:luksmeta, p-cpe:/a:redhat:enterprise_linux:libluksmeta-devel, cpe:/o:redhat:enterprise_linux:9

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 5/19/2026

Vulnerability Publication Date: 10/15/2025

Reference Information

CVE: CVE-2025-11568

CWE: 1284

RHSA: 2026:18824