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SUSE 12 SP5 Util-linux Moderate TOCTOU Vulnerability Fix 2026-2492-1

suse
Calendar Grey June 22, 2026
Dist Suse Esm H88
An update for util-linux on SUSE addressing one moderate security issue is now available. Immediate installation recommended.
An update that solves one vulnerability can now be installed.

Summary

## 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: * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-2492=1 ## Package List: * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64) * libuuid-devel-2.33.2-4.54.1 * libblkid1-32bit-2.33.2-4.54.1 * libfdisk1-debuginfo-2.33.2-4.54.1 * util-linux-2.33.2-4.54.1 * util-linux-systemd-debugsource-2.33.2-4.54.1 * libmount1-debuginfo-2.33.2-4.54.1

Topics%20covered

Topics Covered

security advisory moderate SuSE util-linux TOCTOU loop devices

References

* bsc#1261606

Cross-

* CVE-2026-27456

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:

* SUSE Linux Enterprise Server 12 SP5

* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security

* SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-27456.html

* https://bugzilla.suse.com/show_bug.cgi?id=1261606

Severity
moderate
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2492-1
Release Date: 2026-06-22T14:35:48Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate SuSE util-linux TOCTOU loop devices

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