Security update for util-linux

Announcement ID: SUSE-SU-2026:1962-1
Release Date: 2026-05-18T08:08:09Z
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2026-27456 ( SUSE ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
  • CVE-2026-27456 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Products:
  • openSUSE Leap 15.5
  • SUSE Linux Enterprise Micro 5.5

An update that solves one vulnerability can now be installed.

Description:

This update for util-linux fixes the following issue

  • CVE-2026-27456: TOCTOU in the mount program when setting up loop devices (bsc#1261606).

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 15.5
    zypper in -t patch SUSE-2026-1962=1
  • SUSE Linux Enterprise Micro 5.5
    zypper in -t patch SUSE-SLE-Micro-5.5-2026-1962=1

Package List:

  • openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)
    • libuuid-devel-static-2.37.4-150500.9.29.1
    • libsmartcols-devel-2.37.4-150500.9.29.1
    • libuuid-devel-2.37.4-150500.9.29.1
    • libmount-devel-2.37.4-150500.9.29.1
    • libmount-devel-static-2.37.4-150500.9.29.1
    • libuuid1-2.37.4-150500.9.29.1
    • libmount1-debuginfo-2.37.4-150500.9.29.1
    • libblkid-devel-static-2.37.4-150500.9.29.1
    • util-linux-2.37.4-150500.9.29.1
    • libfdisk-devel-static-2.37.4-150500.9.29.1
    • util-linux-systemd-debuginfo-2.37.4-150500.9.29.1
    • util-linux-debugsource-2.37.4-150500.9.29.1
    • libblkid1-2.37.4-150500.9.29.1
    • util-linux-debuginfo-2.37.4-150500.9.29.1
    • libfdisk-devel-2.37.4-150500.9.29.1
    • uuidd-debuginfo-2.37.4-150500.9.29.1
    • libfdisk1-debuginfo-2.37.4-150500.9.29.1
    • libmount1-2.37.4-150500.9.29.1
    • libblkid-devel-2.37.4-150500.9.29.1
    • libsmartcols-devel-static-2.37.4-150500.9.29.1
    • libfdisk1-2.37.4-150500.9.29.1
    • uuidd-2.37.4-150500.9.29.1
    • libsmartcols1-debuginfo-2.37.4-150500.9.29.1
    • util-linux-systemd-debugsource-2.37.4-150500.9.29.1
    • libsmartcols1-2.37.4-150500.9.29.1
    • python3-libmount-debuginfo-2.37.4-150500.9.29.1
    • python3-libmount-debugsource-2.37.4-150500.9.29.1
    • util-linux-systemd-2.37.4-150500.9.29.1
    • python3-libmount-2.37.4-150500.9.29.1
    • libuuid1-debuginfo-2.37.4-150500.9.29.1
    • libblkid1-debuginfo-2.37.4-150500.9.29.1
  • openSUSE Leap 15.5 (aarch64_ilp32)
    • libmount-devel-64bit-2.37.4-150500.9.29.1
    • libblkid1-64bit-2.37.4-150500.9.29.1
    • libuuid1-64bit-debuginfo-2.37.4-150500.9.29.1
    • libmount1-64bit-2.37.4-150500.9.29.1
    • libuuid-devel-64bit-2.37.4-150500.9.29.1
    • libuuid1-64bit-2.37.4-150500.9.29.1
    • libsmartcols1-64bit-2.37.4-150500.9.29.1
    • libblkid-devel-64bit-2.37.4-150500.9.29.1
    • libsmartcols-devel-64bit-2.37.4-150500.9.29.1
    • libblkid1-64bit-debuginfo-2.37.4-150500.9.29.1
    • libsmartcols1-64bit-debuginfo-2.37.4-150500.9.29.1
    • libfdisk1-64bit-2.37.4-150500.9.29.1
    • libfdisk1-64bit-debuginfo-2.37.4-150500.9.29.1
    • libmount1-64bit-debuginfo-2.37.4-150500.9.29.1
    • libfdisk-devel-64bit-2.37.4-150500.9.29.1
  • openSUSE Leap 15.5 (x86_64)
    • libfdisk-devel-32bit-2.37.4-150500.9.29.1
    • libfdisk1-32bit-debuginfo-2.37.4-150500.9.29.1
    • libuuid1-32bit-2.37.4-150500.9.29.1
    • libsmartcols1-32bit-debuginfo-2.37.4-150500.9.29.1
    • libmount-devel-32bit-2.37.4-150500.9.29.1
    • libuuid1-32bit-debuginfo-2.37.4-150500.9.29.1
    • libsmartcols1-32bit-2.37.4-150500.9.29.1
    • libmount1-32bit-2.37.4-150500.9.29.1
    • libmount1-32bit-debuginfo-2.37.4-150500.9.29.1
    • libuuid-devel-32bit-2.37.4-150500.9.29.1
    • libsmartcols-devel-32bit-2.37.4-150500.9.29.1
    • libblkid1-32bit-2.37.4-150500.9.29.1
    • libblkid-devel-32bit-2.37.4-150500.9.29.1
    • libfdisk1-32bit-2.37.4-150500.9.29.1
    • libblkid1-32bit-debuginfo-2.37.4-150500.9.29.1
  • openSUSE Leap 15.5 (s390x)
    • util-linux-extra-debuginfo-2.37.4-150500.9.29.1
    • util-linux-extra-2.37.4-150500.9.29.1
  • openSUSE Leap 15.5 (noarch)
    • util-linux-lang-2.37.4-150500.9.29.1
  • SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    • libmount1-debuginfo-2.37.4-150500.9.29.1
    • util-linux-2.37.4-150500.9.29.1
    • util-linux-systemd-debugsource-2.37.4-150500.9.29.1
    • util-linux-systemd-debuginfo-2.37.4-150500.9.29.1
    • libblkid1-2.37.4-150500.9.29.1
    • util-linux-debugsource-2.37.4-150500.9.29.1
    • libfdisk1-2.37.4-150500.9.29.1
    • util-linux-debuginfo-2.37.4-150500.9.29.1
    • util-linux-systemd-2.37.4-150500.9.29.1
    • libsmartcols1-2.37.4-150500.9.29.1
    • libfdisk1-debuginfo-2.37.4-150500.9.29.1
    • libuuid1-debuginfo-2.37.4-150500.9.29.1
    • libmount1-2.37.4-150500.9.29.1
    • libsmartcols1-debuginfo-2.37.4-150500.9.29.1
    • libblkid1-debuginfo-2.37.4-150500.9.29.1
    • libuuid1-2.37.4-150500.9.29.1
  • SUSE Linux Enterprise Micro 5.5 (s390x)
    • util-linux-extra-debuginfo-2.37.4-150500.9.29.1
    • util-linux-extra-2.37.4-150500.9.29.1

References: