openSUSE 16 Security Update : dracut (openSUSE-SU-2026:21749-1)

high Nessus Plugin ID 343941

Synopsis

The remote openSUSE host is missing one or more security updates.

Description

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21749-1 advisory.

Update to version 059+suse.730.g73d3411aa.

- CVE-2026-6893: improper handling and escaping of DHCP options can lead to command injection and root code execution within the `initramfs` (bsc#1268322).
- CVE-2026-16445: improper handling and escaping of DHCP options can lead to command injection and root code execution within the `initramfs` during system boot (bsc#1273580).

Changes for dracut:

- Update to version 059+suse.730.g73d3411aa:
* fix(network-legacy): sanitize values written to /tmp/net.${netif}.override
* fix(network-legacy): sanitize values written to /tmp/net.${netif}.gw
* fix(network-legacy): sanitize values written to /tmp/net.${netif}.hostname
* fix(network-legacy): strip DHCP-supplied domain to a safe charset

Tenable has extracted the preceding description block directly from the SUSE 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 packages.

Plugin Details

Severity: High

ID: 343941

File Name: openSUSE-2026-21749-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 9/9/2026

Updated: 9/9/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.16

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.1

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

CVSS Score Source: CVE-2026-6893

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:dracut-extra, p-cpe:/a:novell:opensuse:dracut-fips, p-cpe:/a:novell:opensuse:dracut-ima, p-cpe:/a:novell:opensuse:dracut-tools, p-cpe:/a:novell:opensuse:dracut

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/3/2026

Vulnerability Publication Date: 6/10/2026

Reference Information

CVE: CVE-2026-16445, CVE-2026-6893

Detections

Analytics