SUSE SLES15 Security Update : dracut (SUSE-SU-2026:2721-1)

high Nessus Plugin ID 324870

Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:2721-1 advisory.

This update for dracut fixes the following issue

- CVE-2026-6893: Root code execution via DHCP options command injection (bsc#1268322).

Changes for dracut:

- Update to version 055+suse.402.g2720eea:
* fix(network-legacy): sanitize DHCP values in dhclient-script.sh (bsc#1268322, CVE-2026-6893)
* fix(network-legacy): add input validation to RFC 3442 route parser

Tenable has extracted the preceding description block directly from the SUSE 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 affected dracut, dracut-fips, dracut-ima and / or dracut-mkinitrd-deprecated packages.

See Also

https://bugzilla.suse.com/1268322

https://lists.suse.com/pipermail/sle-updates/2026-July/047849.html

https://www.suse.com/security/cve/CVE-2026-6893

Plugin Details

Severity: High

ID: 324870

File Name: suse_SU-2026-2721-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/2/2026

Updated: 7/2/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.04

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: p-cpe:/a:novell:suse_linux:dracut-fips, p-cpe:/a:novell:suse_linux:dracut-ima, p-cpe:/a:novell:suse_linux:dracut, p-cpe:/a:novell:suse_linux:dracut-mkinitrd-deprecated, cpe:/o:novell:suse_linux:15

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: 7/1/2026

Vulnerability Publication Date: 6/10/2026

Reference Information

CVE: CVE-2026-6893

SuSE: SUSE-SU-2026:2721-1