SUSE alert SUSE-SU-2026:0987-1 (util-linux)

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OPENSUSE-SECURITY-UPDATES <null@suse.de>
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security-announce@lists.opensuse.org
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SUSE-SU-2026:0987-1: moderate: Security update for util-linux
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Tue, 24 Mar 2026 12:32:37 -0000
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<177435555728.230.1883800902909555162@8e77734ff76b>
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Article


# Security update for util-linux

Announcement ID: SUSE-SU-2026:0987-1  
Release Date: 2026-03-24T03:11:26Z  
Rating: moderate  
References:

  * bsc#1222465
  * bsc#1234736
  * 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:

  * openSUSE Leap 15.3
  * SUSE Linux Enterprise Micro 5.2
  * SUSE Linux Enterprise Micro for Rancher 5.2

  
  
An update that solves one vulnerability and has two security fixes can now be
installed.

## Description:

This update for util-linux fixes the following issues:

Security issue:

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

Non security issues:

  * recognize fuse "portal" as a virtual file system (bsc#1234736).
  * fdisk: fix possible partition overlay and data corruption if EBR gap is
    missing (bsc#1222465).

## 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:

  * openSUSE Leap 15.3  
    zypper in -t patch SUSE-2026-987=1

  * SUSE Linux Enterprise Micro 5.2  
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-987=1

  * SUSE Linux Enterprise Micro for Rancher 5.2  
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-987=1

## Package List:

  * openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64 i586)
    * libfdisk-devel-2.36.2-150300.4.58.1
    * python3-libmount-debuginfo-2.36.2-150300.4.58.1
    * libblkid-devel-static-2.36.2-150300.4.58.1
    * libsmartcols-devel-static-2.36.2-150300.4.58.1
    * libfdisk-devel-static-2.36.2-150300.4.58.1
    * uuidd-debuginfo-2.36.2-150300.4.58.1
    * libmount-devel-static-2.36.2-150300.4.58.1
    * python3-libmount-2.36.2-150300.4.58.1
    * util-linux-debugsource-2.36.2-150300.4.58.1
    * util-linux-systemd-2.36.2-150300.4.58.1
    * libuuid1-debuginfo-2.36.2-150300.4.58.1
    * uuidd-2.36.2-150300.4.58.1
    * libblkid-devel-2.36.2-150300.4.58.1
    * libblkid1-2.36.2-150300.4.58.1
    * util-linux-systemd-debuginfo-2.36.2-150300.4.58.1
    * libuuid1-2.36.2-150300.4.58.1
    * util-linux-systemd-debugsource-2.36.2-150300.4.58.1
    * libfdisk1-debuginfo-2.36.2-150300.4.58.1
    * libuuid-devel-2.36.2-150300.4.58.1
    * libmount1-2.36.2-150300.4.58.1
    * libsmartcols1-2.36.2-150300.4.58.1
    * util-linux-2.36.2-150300.4.58.1
    * util-linux-debuginfo-2.36.2-150300.4.58.1
    * libmount1-debuginfo-2.36.2-150300.4.58.1
    * libfdisk1-2.36.2-150300.4.58.1
    * libuuid-devel-static-2.36.2-150300.4.58.1
    * python3-libmount-debugsource-2.36.2-150300.4.58.1
    * libblkid1-debuginfo-2.36.2-150300.4.58.1
    * libsmartcols1-debuginfo-2.36.2-150300.4.58.1
    * libsmartcols-devel-2.36.2-150300.4.58.1
    * libmount-devel-2.36.2-150300.4.58.1
  * openSUSE Leap 15.3 (x86_64)
    * libfdisk1-32bit-debuginfo-2.36.2-150300.4.58.1
    * libfdisk1-32bit-2.36.2-150300.4.58.1
    * libuuid1-32bit-2.36.2-150300.4.58.1
    * libblkid1-32bit-2.36.2-150300.4.58.1
    * libblkid1-32bit-debuginfo-2.36.2-150300.4.58.1
    * libmount1-32bit-debuginfo-2.36.2-150300.4.58.1
    * libsmartcols1-32bit-2.36.2-150300.4.58.1
    * libuuid1-32bit-debuginfo-2.36.2-150300.4.58.1
    * libblkid-devel-32bit-2.36.2-150300.4.58.1
    * libmount1-32bit-2.36.2-150300.4.58.1
    * libsmartcols-devel-32bit-2.36.2-150300.4.58.1
    * libmount-devel-32bit-2.36.2-150300.4.58.1
    * libsmartcols1-32bit-debuginfo-2.36.2-150300.4.58.1
    * libfdisk-devel-32bit-2.36.2-150300.4.58.1
    * libuuid-devel-32bit-2.36.2-150300.4.58.1
  * openSUSE Leap 15.3 (noarch)
    * util-linux-lang-2.36.2-150300.4.58.1
  * openSUSE Leap 15.3 (aarch64_ilp32)
    * libuuid1-64bit-debuginfo-2.36.2-150300.4.58.1
    * libsmartcols-devel-64bit-2.36.2-150300.4.58.1
    * libfdisk1-64bit-debuginfo-2.36.2-150300.4.58.1
    * libsmartcols1-64bit-debuginfo-2.36.2-150300.4.58.1
    * libblkid1-64bit-debuginfo-2.36.2-150300.4.58.1
    * libmount1-64bit-2.36.2-150300.4.58.1
    * libuuid-devel-64bit-2.36.2-150300.4.58.1
    * libfdisk-devel-64bit-2.36.2-150300.4.58.1
    * libblkid-devel-64bit-2.36.2-150300.4.58.1
    * libmount-devel-64bit-2.36.2-150300.4.58.1
    * libmount1-64bit-debuginfo-2.36.2-150300.4.58.1
    * libblkid1-64bit-2.36.2-150300.4.58.1
    * libsmartcols1-64bit-2.36.2-150300.4.58.1
    * libfdisk1-64bit-2.36.2-150300.4.58.1
    * libuuid1-64bit-2.36.2-150300.4.58.1
  * SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64)
    * util-linux-systemd-debuginfo-2.36.2-150300.4.58.1
    * util-linux-2.36.2-150300.4.58.1
    * util-linux-debuginfo-2.36.2-150300.4.58.1
    * libmount1-debuginfo-2.36.2-150300.4.58.1
    * libuuid1-2.36.2-150300.4.58.1
    * libfdisk1-2.36.2-150300.4.58.1
    * util-linux-debugsource-2.36.2-150300.4.58.1
    * util-linux-systemd-2.36.2-150300.4.58.1
    * libuuid1-debuginfo-2.36.2-150300.4.58.1
    * util-linux-systemd-debugsource-2.36.2-150300.4.58.1
    * libfdisk1-debuginfo-2.36.2-150300.4.58.1
    * libblkid1-2.36.2-150300.4.58.1
    * libmount1-2.36.2-150300.4.58.1
    * libblkid1-debuginfo-2.36.2-150300.4.58.1
    * libsmartcols1-2.36.2-150300.4.58.1
    * libsmartcols1-debuginfo-2.36.2-150300.4.58.1
  * SUSE Linux Enterprise Micro for Rancher 5.2 (aarch64 s390x x86_64)
    * util-linux-systemd-debuginfo-2.36.2-150300.4.58.1
    * util-linux-2.36.2-150300.4.58.1
    * util-linux-debuginfo-2.36.2-150300.4.58.1
    * libmount1-debuginfo-2.36.2-150300.4.58.1
    * libuuid1-2.36.2-150300.4.58.1
    * libfdisk1-2.36.2-150300.4.58.1
    * util-linux-debugsource-2.36.2-150300.4.58.1
    * util-linux-systemd-2.36.2-150300.4.58.1
    * libuuid1-debuginfo-2.36.2-150300.4.58.1
    * util-linux-systemd-debugsource-2.36.2-150300.4.58.1
    * libfdisk1-debuginfo-2.36.2-150300.4.58.1
    * libblkid1-2.36.2-150300.4.58.1
    * libmount1-2.36.2-150300.4.58.1
    * libblkid1-debuginfo-2.36.2-150300.4.58.1
    * libsmartcols1-2.36.2-150300.4.58.1
    * libsmartcols1-debuginfo-2.36.2-150300.4.58.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-3184.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1222465
  * https://bugzilla.suse.com/show_bug.cgi?id=1234736
  * https://bugzilla.suse.com/show_bug.cgi?id=1258859



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