Public Date:
1528396: CVE-2018-5748 libvirt: Resource exhaustion via qemuMonitorIORead() method

The MITRE CVE dictionary describes this issue as:

qemu/qemu_monitor.c in libvirt allows attackers to cause a denial of service (memory consumption) via a large QEMU reply.

Find out more about CVE-2018-5748 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 1.5
Base Metrics AV:L/AC:M/Au:S/C:N/I:N/A:P
Access Vector Local
Access Complexity Medium
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

CVSS v3 metrics

CVSS3 Base Score 3.3
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact Low

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (libvirt) RHSA-2018:1396 2018-05-14
Red Hat Enterprise Linux 6 (libvirt) RHSA-2018:1929 2018-06-19

Affected Packages State

Platform Package State
Red Hat Gluster Storage 3 libvirt Not affected
Red Hat Enterprise Linux 5 libvirt Not affected


This issue was discovered by Daniel P. Berrange (Red Hat) and Peter Krempa (Red Hat).
Last Modified

CVE description copyright © 2017, The MITRE Corporation