What is CVE-2026-19617?

CVE-2026-19617 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2026-08-14.

How severe is CVE-2026-19617?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Resource exhaustion in Red Hat Enterprise Linux 10

CVE-2026-19617

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 v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)

Frequently asked questions

What is CVE-2026-19617?: CVE-2026-19617 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2026-08-14.
How severe is CVE-2026-19617?: Medium severity. CVSS v3 base score is 5.5 out of 10.