CVE-2026-19617 — MEDIUM (5.5)

Vulnerability 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.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Redhat	Hardened Images	-
Redhat	Openshift Container Platform	4.0
Redhat	Enterprise Linux	6.0

Related Weaknesses (CWE)

CWE-770

References

https://access.redhat.com/security/cve/CVE-2026-19617MitigationVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2514626Issue TrackingVendor Advisory

FAQ

What is CVE-2026-19617?

CVE-2026-19617 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 ...

How severe is CVE-2026-19617?

CVE-2026-19617 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-19617?

Check the references section above for vendor advisories and patch information. Affected products include: Redhat Hardened Images, Redhat Openshift Container Platform, Redhat Enterprise Linux.