Detections
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Oracle Linux 9 : osbuild-composer (ELSA-2026-3753)

critical Nessus Plugin ID 301134

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-3753 advisory.

 [149-4.0.1]
 - Add missing dependency over dracut-config-rescue for image-installer [ORABUG: 38587453]
 - Switch to UEKR8 repositories for OL9.6 [Orabug: 37962207]
 - Add support to create OpenScap images [JIRA: OLDIS-35301]
 - Simplify repository names [JIRA: OLDIS-35893]
 - Refactor patches to fix some naming and set a correct kernel for Oracle Linux [Orabug: 37253643]
 - Support using OCI variables inside built images [JIRA: OLDIS-35302]
 - Support using repository definitons with OCI variables [JIRA: OLDIS-38657]
 - Update repositories to contain OCI variables
 - Remove image types Minimal-raw and wsl [JIRA: OLDIS-38123]
 - Increase default /boot size to 1GB [Orabug: 36827079]
 - Add support for OCI hybrid images [JIRA: OLDIS-33593]
 - enable aarch64 OCI image builds [JIRA: OLDIS-33593]
 - support for building OL8/9 images on Oracle Linux 9 [Orabug: 36400619]

 [149-4]
 - Rebuilt to fix:
 - CVE-2025-61726
 - CVE-2025-61728
 - CVE-2025-61729
 - CVE-2025-68121
 - RHEL-146868
 - RHEL-147086
 - RHEL-147371
 - RHEL-149626

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

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

Solution

Update the affected osbuild-composer, osbuild-composer-core and / or osbuild-composer-worker packages.

See Also

https://linux.oracle.com/errata/ELSA-2026-3753.html

Plugin Details

Severity: Critical

ID: 301134

File Name: oraclelinux_ELSA-2026-3753.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/6/2026

Updated: 3/6/2026

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.1

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2025-68121

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 9

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:osbuild-composer-core, p-cpe:/a:oracle:linux:osbuild-composer, cpe:/o:oracle:linux:9, p-cpe:/a:oracle:linux:osbuild-composer-worker

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/5/2026

Vulnerability Publication Date: 12/2/2025

Reference Information

CVE: CVE-2025-61726, CVE-2025-61728, CVE-2025-61729, CVE-2025-68121

IAVB: 2025-B-0194-S, 2026-B-0016-S