Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-19617
Red Hat Red Hat Hardened Images — Libdm: lvm2: libdm: denial of service via uncontrolled recursion in config parser
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L N R U N N H 5.5 .0014 2.8 —
AFFECTED
Product Versions Fixed
Red Hat Hardened Images unspecified 2.03.43-1.hum1
Red Hat Enterprise Linux 10 unspecified —
Red Hat Enterprise Linux 6 unspecified —
Red Hat Enterprise Linux 7 unspecified —
Red Hat Enterprise Linux 8 unspecified —
Red Hat Enterprise Linux 9 unspecified —
Red Hat OpenShift Container Platform 4 unspecified —
Red Hat OpenShift Container Platform 4 unspecified —
TIMELINE
Aug 12 Reserved by redhat
Aug 14 Published (CNA: redhat)
Oct 2 PATCH SHIPPED — CVE-2026-19617 (Red Hat Hardened Images). Fixed in Red Hat Hardened Images 2.03.43-1.hum1.
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| August 12, 2026 | Reserved | Reserved by redhat |
| August 14, 2026 | Published | Published (CNA: redhat) |
| October 2, 2026 | PATCH SHIPPED | PATCH SHIPPED — CVE-2026-19617 (Red Hat Hardened Images). Fixed in Red Hat Hardened Images 2.03.43-1.hum1. |
Affected
Affected products and packages — 8 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Red Hat | Red Hat Hardened Images | — | — | 2.03.43-1.hum1 |
| Red Hat | Red Hat Enterprise Linux 10 | — | — | — |
| Red Hat | Red Hat Enterprise Linux 6 | — | — | — |
| Red Hat | Red Hat Enterprise Linux 7 | — | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — | — |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — | — |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-19617 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.