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Loop Device Setup Vulnerability in util-linux
published 5 months ago
Summary
The util-linux software has a vulnerability that could allow an attacker to manipulate a system's file system. This could potentially lead to unauthorized access or data corruption. You should update your util-linux installation to the latest version to fix this issue.
Original advisory text
Security update for util-linux
This update for util-linux fixes the following issue
- CVE-2026-27456: TOCTOU in the mount program when setting up loop devices (bsc#1261606).
- CVE-2026-27456: TOCTOU in the mount program when setting up loop devices (bsc#1261606).
References
- https://www.suse.com/support/update/announcement/2026/suse-su-202621727-1/ Vendor Advisory
- https://bugzilla.suse.com/1261606 Third Party Advisory
- https://www.suse.com/security/cve/CVE-2026-27456 URL
Timeline
Published21 May 2026
Updated23 May 2026
First seen23 May 2026
Sources
SUSE-SU-2026:21727-1 · OSV
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