SUSE-SU-2026:3489-1: moderate: Security update for multipath-tools

# Security update for multipath-tools

Announcement ID: SUSE-SU-2026:3489-1  
Release Date: 2026-08-04T11:57:10Z  
Rating: moderate  
References:

  * bsc#1268144
  * bsc#1268145

  
Affected Products:

  * openSUSE Leap 15.5
  * SUSE Linux Enterprise Micro 5.5

  
  
An update that has two security fixes can now be installed.

## Description:

This update for multipath-tools fixes the following issues:

Update to version 0.9.4+134+suse.c82f347.

  * kpartx: integer overflow in the GPT partition table size calculation can
    lead to heap OOB read via crafted USB device or disk image (bsc#1268145).
  * kpartx: missing bounds check can lead to a DASD VOL1 unbounded array write
    via a crafted DASD disk with more than 256 consecutive format labels
    (bsc#1268144).

## 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:

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2026-3489=1

  * openSUSE Leap 15.5  
    zypper in -t patch SUSE-2026-3489=1

## Package List:

  * openSUSE Leap 15.5 (aarch64 i586 ppc64le s390x x86_64)
    * libmpath0-debuginfo-0.9.4+134+suse.c82f347-150500.3.12.1
    * multipath-tools-debugsource-0.9.4+134+suse.c82f347-150500.3.12.1
    * multipath-tools-debuginfo-0.9.4+134+suse.c82f347-150500.3.12.1
    * libmpath0-0.9.4+134+suse.c82f347-150500.3.12.1
    * kpartx-debuginfo-0.9.4+134+suse.c82f347-150500.3.12.1
    * multipath-tools-0.9.4+134+suse.c82f347-150500.3.12.1
    * libdmmp0_2_0-debuginfo-0.9.4+134+suse.c82f347-150500.3.12.1
    * libdmmp0_2_0-0.9.4+134+suse.c82f347-150500.3.12.1
    * multipath-tools-devel-0.9.4+134+suse.c82f347-150500.3.12.1
    * libdmmp-devel-0.9.4+134+suse.c82f347-150500.3.12.1
    * kpartx-0.9.4+134+suse.c82f347-150500.3.12.1
  * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    * multipath-tools-debugsource-0.9.4+134+suse.c82f347-150500.3.12.1
    * libmpath0-debuginfo-0.9.4+134+suse.c82f347-150500.3.12.1
    * multipath-tools-debuginfo-0.9.4+134+suse.c82f347-150500.3.12.1
    * libmpath0-0.9.4+134+suse.c82f347-150500.3.12.1
    * kpartx-debuginfo-0.9.4+134+suse.c82f347-150500.3.12.1
    * multipath-tools-0.9.4+134+suse.c82f347-150500.3.12.1
    * kpartx-0.9.4+134+suse.c82f347-150500.3.12.1

## References:

  * https://bugzilla.suse.com/show_bug.cgi?id=1268144
  * https://bugzilla.suse.com/show_bug.cgi?id=1268145