SUSE Util-linux Moderate TOCTOU Issue CVE-2026-27456 Advisory 2026-2653-1
suse
June 26, 2026
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 Micro for Rancher 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-2653=1 * SUSE Linux Enterprise Micro 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-2653=1 * openSUSE Leap 15.4 zypper in -t patch SUSE-2026-2653=1 * SUSE Linux Enterprise Micro for Rancher 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-2653=1 * SUSE Linux Enterprise Micro 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-2653=1 ## Package List:
Topics Covered
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:
* openSUSE Leap 15.4
* SUSE Linux Enterprise Micro 5.3
* SUSE Linux Enterprise Micro 5.4
* SUSE Linux Enterprise Micro for Rancher 5.3
* SUSE Linux Enterprise Micro for Rancher 5.4
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
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Severity
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Announcement ID: SUSE-SU-2026:2653-1
Release Date: 2026-06-26T12:22:43Z
Rating: moderate
Topics Covered
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