SUSE-SU-2026:20664-1: moderate: Security update for util-linux

[SLE-SECURITY-UPDATES]

# Security update for util-linux

Announcement ID: SUSE-SU-2026:20664-1  
Release Date: 2026-03-10T18:43:23Z  
Rating: moderate  
References:

  * bsc#1258859

  
Cross-References:

  * CVE-2026-3184

  
CVSS scores:

  * CVE-2026-3184 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-3184 ( SUSE ):  5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

  
Affected Products:

  * SUSE Linux Micro 6.1

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for util-linux fixes the following issue:

  * CVE-2026-3184: access control bypass due to improper hostname
    canonicalization in `login` (bsc#1258859).

## 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 Micro 6.1  
    zypper in -t patch SUSE-SLE-Micro-6.1-435=1

## Package List:

  * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64)
    * libuuid1-2.40.4-slfo.1.1_4.1
    * util-linux-debuginfo-2.40.4-slfo.1.1_4.1
    * util-linux-systemd-debuginfo-2.40.4-slfo.1.1_4.1
    * lastlog2-debuginfo-2.40.4-slfo.1.1_4.1
    * util-linux-debugsource-2.40.4-slfo.1.1_4.1
    * liblastlog2-2-2.40.4-slfo.1.1_4.1
    * util-linux-2.40.4-slfo.1.1_4.1
    * util-linux-systemd-2.40.4-slfo.1.1_4.1
    * libfdisk1-debuginfo-2.40.4-slfo.1.1_4.1
    * lastlog2-2.40.4-slfo.1.1_4.1
    * libfdisk1-2.40.4-slfo.1.1_4.1
    * libmount1-2.40.4-slfo.1.1_4.1
    * liblastlog2-2-debuginfo-2.40.4-slfo.1.1_4.1
    * libsmartcols1-debuginfo-2.40.4-slfo.1.1_4.1
    * libuuid1-debuginfo-2.40.4-slfo.1.1_4.1
    * libsmartcols1-2.40.4-slfo.1.1_4.1
    * util-linux-systemd-debugsource-2.40.4-slfo.1.1_4.1
    * libblkid1-2.40.4-slfo.1.1_4.1
    * libmount1-debuginfo-2.40.4-slfo.1.1_4.1
    * libblkid1-debuginfo-2.40.4-slfo.1.1_4.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-3184.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1258859

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