SUSE SLED15 / SLES15 Security Update : open-iscsi (SUSE-SU-2026:3647-1)

high Nessus Plugin ID 338648

Synopsis

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

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3647-1 advisory.

- CVE-2026-44943: remote file-write as root via discovery (bsc#1268353).
- CVE-2026-44944: iscsiuio control-socket auth bypass (bsc#1268352).

Changes for open-iscsi:

- Update to version 2.1.12.suse+0.8f77cf16:
* Preparing for version 2.1.12 (#536)
* iscsi-init.service: Use iscsi-gen-initiatorname
* iscsi-gen-initiatorname use @IQN_PREFIX@ as default
* avoid possible double free of found in idbm_rec_update_param (#528)
* iscsi: validate interface IP against target address family (#527)
- Update to version 2.1.11.suse+88.8e0635b3:
* Make iface.example a doc file. (#526)
* Updated SPEC file to deliver iface.example as a %doc file, no longer in the database directory.
- Update to version 2.1.11.suse+85.4ef97a15:
* Fix unused variable warning in usr/io.c (#524)
* Remove old rpm subdirectory, no longer needed.
* Add tcp.congestion_control configuration option (#520)
* Small cleanups for firmware discovery. (#522)
* Fix incorrect parsing of node.discovery_type 'static' and 'fw' (#518)
* iscsi_net_util: avoid copying NULL pointers with strlcpy() (#515)
* iscsi: delay reconnect until interface has valid IP. (#511)

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 iscsiuio, libopeniscsiusr0, open-iscsi and / or open-iscsi-devel packages.

See Also

https://bugzilla.suse.com/1268352

https://bugzilla.suse.com/1268353

https://lists.suse.com/pipermail/sle-updates/2026-August/049378.html

https://www.suse.com/security/cve/CVE-2026-44943

https://www.suse.com/security/cve/CVE-2026-44944

Plugin Details

Severity: High

ID: 338648

File Name: suse_SU-2026-3647-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/21/2026

Updated: 8/21/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.15

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-44943

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

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

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

CVSS v4

Risk Factor: High

Base Score: 8.5

Threat Score: 5.9

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-44944

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:iscsiuio, p-cpe:/a:novell:suse_linux:libopeniscsiusr0, p-cpe:/a:novell:suse_linux:open-iscsi-devel, p-cpe:/a:novell:suse_linux:open-iscsi

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: 8/19/2026

Vulnerability Publication Date: 7/29/2026

Reference Information

CVE: CVE-2026-44943, CVE-2026-44944

SuSE: SUSE-SU-2026:3647-1