Integer Overflow or Wraparound Affecting virt:rhel/libvirt-daemon-driver-secret package, versions *


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.17% (8th percentile)

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  • Snyk IDSNYK-RHEL8-VIRT-19170572
  • published22 Aug 2026
  • disclosed12 Aug 2025

Introduced: 12 Aug 2025

CVE-2026-18917  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:8 virt:rhel/libvirt-daemon-driver-secret.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virt:rhel/libvirt-daemon-driver-secret package and not the virt:rhel/libvirt-daemon-driver-secret package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A flaw was found in libvirt. An unprivileged local user could exploit an integer overflow vulnerability in the NodeGetFreePages RPC handler. This flaw allows crafted values to bypass a size check, leading to an undersized memory buffer. Subsequently, real NUMA node data can overwrite this buffer. This heap buffer overflow can corrupt the root libvirt daemon's memory, potentially leading to a denial of service or local privilege escalation.

CVSS Base Scores

version 3.1