Medium severity5.7NVD Advisory· Published Aug 14, 2026

CVE-2026-19617

Description

A flaw was found in libdm. A remote attacker could craft a malicious Logical Volume Manager (LVM) metadata configuration with deeply nested structures. This could lead to uncontrolled recursion in the libdm configuration file parser, exhausting the stack and causing any LVM command reading the metadata to crash. This vulnerability results in a Denial of Service (DoS) for affected systems.

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Affected products

Red Hat/libdmllm-create

Patches

Vulnerability mechanics

References

access.redhat.com/security/cve/CVE-2026-19617nvd
bugzilla.redhat.com/show_bug.cginvd

News mentions

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