high
7.5
CWE
400
Advisory Published
CVE Published
CVE Published
Updated

CVE-2018-5748

First published: Thu Dec 21 2017(Updated: )

A flaw was found in Qemu. A lack of restriction for the amount of data read by QEMU Monitor socket can lead to denial of service by exhaustion of memory resources. References: <a href="https://www.redhat.com/archives/libvir-list/2017-December/msg00749.html">https://www.redhat.com/archives/libvir-list/2017-December/msg00749.html</a>

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/libvirt<0:0.10.2-64.el6
0:0.10.2-64.el6
redhat/libvirt<0:3.9.0-14.el7_5.4
0:3.9.0-14.el7_5.4
Redhat Libvirt
Debian Debian Linux=7.0
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Redhat Enterprise Linux Desktop=6.0
Redhat Enterprise Linux Desktop=7.0
Redhat Enterprise Linux Server=6.0
Redhat Enterprise Linux Server=7.0
Redhat Enterprise Linux Server Aus=7.6
Redhat Enterprise Linux Server Eus=7.5
Redhat Enterprise Linux Server Eus=7.6
Redhat Enterprise Linux Server Tus=7.6
Redhat Enterprise Linux Workstation=6.0
Redhat Enterprise Linux Workstation=7.0
debian/libvirt
7.0.0-3+deb11u3
9.0.0-4+deb12u1
10.7.0-3

Remedy

https://www.redhat.com/archives/libvir-list/2018-January/msg00527.html

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2018-5748?

    CVE-2018-5748 is a vulnerability in libvirt that allows attackers to cause a denial of service (memory consumption) via a large QEMU reply.

  • How severe is CVE-2018-5748?

    CVE-2018-5748 is considered high severity with a CVSS score of 7.5.

  • Which software versions are affected by CVE-2018-5748?

    The affected software versions include libvirt 0.10.2-64.el6, 3.9.0-14.el7_5.4, and various versions on Debian and Ubuntu.

  • How can I fix CVE-2018-5748?

    To fix CVE-2018-5748, update libvirt to version 0.10.2-64.el6 or 3.9.0-14.el7_5.4, or install the latest available patches for Debian and Ubuntu.

  • Where can I find more information about CVE-2018-5748?

    You can find more information about CVE-2018-5748 in the references provided: [Bugzilla](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1535785) and [Red Hat Security Advisory](https://access.redhat.com/errata/RHSA-2018:1396).

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