What’s Vulnerable › Vulnerabilities

CVE-2026-19617: Libdm: lvm2: libdm: denial of service via uncontrolled recursion in config parser

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-14 · updated 2026-10-02
• Weakness: CWE-770

Description

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.

Affected products

• Red Hat Enterprise Linux: 6.0, 7.0, 8.0, 9.0, 10.0
• RedHat Hardened Images: all versions
• Red Hat OpenShift Container Platform 4.18: 4.0

References

• https://access.redhat.com/errata/RHSA-2026:73989
• https://access.redhat.com/security/cve/CVE-2026-19617
• https://bugzilla.redhat.com/show_bug.cgi?id=2514626

Get alerted when CVE-2026-19617 or the next vulnerability affects your stack