SUSE-SU-2026:3647-1: important: Security update for open-iscsi

[SLE-UPDATES]

# Security update for open-iscsi

Announcement ID: SUSE-SU-2026:3647-1  
Release Date: 2026-08-19T09:53:51Z  
Rating: important  
References:

  * bsc#1268352
  * bsc#1268353

  
Cross-References:

  * CVE-2026-44943
  * CVE-2026-44944

  
CVSS scores:

  * CVE-2026-44943 ( SUSE ):  8.6
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-44943 ( SUSE ):  8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-44943 ( NVD ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-44944 ( SUSE ):  8.6
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-44944 ( SUSE ):  8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-44944 ( NVD ):  8.5
    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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

  
Affected Products:

  * Basesystem Module 15-SP7
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for open-iscsi fixes the following issues:

  * 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)

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-3647=1

## Package List:

  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * open-iscsi-debugsource-2.1.12-150700.57.6.1
    * libopeniscsiusr0-debuginfo-0.2.0-150700.57.6.1
    * open-iscsi-debuginfo-2.1.12-150700.57.6.1
    * open-iscsi-2.1.12-150700.57.6.1
    * open-iscsi-devel-2.1.12-150700.57.6.1
    * iscsiuio-debuginfo-0.7.8.8-150700.57.6.1
    * libopeniscsiusr0-0.2.0-150700.57.6.1
    * iscsiuio-0.7.8.8-150700.57.6.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-44943.html
  * https://www.suse.com/security/cve/CVE-2026-44944.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1268352
  * https://bugzilla.suse.com/show_bug.cgi?id=1268353

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