Security update for util-linux
A security update for util-linux addresses a time-of-check to time-of-use (TOCTOU) vulnerability in the mount program related to setting up loop devices. This issue is tracked as CVE-2026-27456 and was identified by the SUSE Product Security Team. The vulnerability has been assigned a medium severity level. No CVSS score is provided. The affected versions include specific SUSE packages such as lastlog2-2.41.1-160000.4.1.aarch64 and libblkid-devel-2.41.1-160000.4.1.aarch64. No known exploits are reported in the wild. The update fixes this issue, indicating that a patch is available.
AI Analysis
Technical Summary
CVE-2026-27456 is a TOCTOU vulnerability in the mount program of util-linux when setting up loop devices. This flaw could potentially allow an attacker to exploit the timing window between checking and using resources during loop device setup. The issue was addressed by the SUSE Product Security Team in an update to util-linux packages. The affected versions include specific SUSE builds of lastlog2 and libblkid-devel packages on the aarch64 architecture. No CVSS score is provided, and no active exploitation has been reported.
Potential Impact
The vulnerability could allow an attacker to exploit a race condition in the mount program when configuring loop devices, potentially leading to unauthorized actions during device setup. However, no known exploits are currently reported in the wild, and the severity is assessed as medium.
Mitigation Recommendations
A security update has been released by the SUSE Product Security Team to fix this TOCTOU vulnerability in util-linux. Users should apply the provided update to affected packages to remediate the issue. Since a patch is available, applying the official fix is the recommended mitigation.
Security update for util-linux
Description
A security update for util-linux addresses a time-of-check to time-of-use (TOCTOU) vulnerability in the mount program related to setting up loop devices. This issue is tracked as CVE-2026-27456 and was identified by the SUSE Product Security Team. The vulnerability has been assigned a medium severity level. No CVSS score is provided. The affected versions include specific SUSE packages such as lastlog2-2.41.1-160000.4.1.aarch64 and libblkid-devel-2.41.1-160000.4.1.aarch64. No known exploits are reported in the wild. The update fixes this issue, indicating that a patch is available.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-27456 is a TOCTOU vulnerability in the mount program of util-linux when setting up loop devices. This flaw could potentially allow an attacker to exploit the timing window between checking and using resources during loop device setup. The issue was addressed by the SUSE Product Security Team in an update to util-linux packages. The affected versions include specific SUSE builds of lastlog2 and libblkid-devel packages on the aarch64 architecture. No CVSS score is provided, and no active exploitation has been reported.
Potential Impact
The vulnerability could allow an attacker to exploit a race condition in the mount program when configuring loop devices, potentially leading to unauthorized actions during device setup. However, no known exploits are currently reported in the wild, and the severity is assessed as medium.
Mitigation Recommendations
A security update has been released by the SUSE Product Security Team to fix this TOCTOU vulnerability in util-linux. Users should apply the provided update to affected packages to remediate the issue. Since a patch is available, applying the official fix is the recommended mitigation.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- SUSE Product Security Team
- Advisory Id
- SUSE-SU-2026:2492-1
- Cve Count
- 1
Threat ID: 6a3aab5feed863c81e3a5600
Added to database: 06/23/2026, 15:50:55 UTC
Last enriched: 09/17/2026, 03:23:30 UTC
Last updated: 09/22/2026, 13:47:44 UTC
Views: 112
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