Security update for util-linux

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