openSUSE-SU-2026:21580-1: important: Security update for open-iscsi

openSUSE security update: security update for open-iscsi
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Announcement ID: openSUSE-SU-2026:21580-1
Rating: important
References:

  * bsc#1268352
  * bsc#1268353



Cross-References:

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



CVSS scores:

  * 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 ( 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 ( 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

Affected Products:

         openSUSE Leap 16.0

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An update that solves 2 vulnerabilities and has 2 bug fixes can now be installed.

Description:

This update for open-iscsi fixes the following issues:

Update to version 2.1.12.suse+0.8f77cf16:

- CVE-2026-44943: improper limitation of pathname to a restricted directory allows remote MITM attackers to create
  root-owned files outside the database and inject lines into records (bsc#1268353).
- CVE-2026-44944: incorrect authorization allows unpriviledged local users to use the `isscsiuio` control socket
  (bsc#1268352).

Changes for open-iscsi:

- Version 2.1.12.suse+0.8f77cf16:
  * Fix security issues recently discovered by Keith at Linneman Labs.
  * 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`.
  * iscsi: validate interface IP against target address family.


Patch instructions:

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

- openSUSE Leap 16.0

   zypper in -t patch openSUSE-Leap-16.0-1458=1

Package List:

- openSUSE Leap 16.0:

  iscsiuio-0.7.8.8-160000.4.1
  libopeniscsiusr0-0.2.0-160000.4.1
  open-iscsi-2.1.12-160000.4.1
  open-iscsi-devel-2.1.12-160000.4.1

References:

  * https://www.suse.com/security/cve/CVE-2026-44943.html
  * https://www.suse.com/security/cve/CVE-2026-44944.html