A flaw was found in libdm. A local 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.

The version of lvm2 installed on the remote host is prior to 2.02.187-6. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-4073 advisory.

    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. (CVE-2026-19617)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-3376 advisory.

    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. (CVE-2026-19617)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A flaw was found in libdm. A local 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. (CVE-2026-19617)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
377903	Amazon Linux 2 : lvm2 (ALAS-2026-4073)	Nessus	Amazon Linux Local Security Checks	Local	medium
377897	Amazon Linux 2023 : device-mapper, device-mapper-devel, device-mapper-event (ALAS2023-2026-3376)	Nessus	Amazon Linux Local Security Checks	Local	medium
335358	Linux Distros Unpatched Vulnerability : CVE-2026-19617	Nessus	Misc.	Local	medium

Detections

Analytics

CVE-2026-19617

medium

Tenable Plugins

medium

medium

medium