CVE-2018-20216

Name: CVE-2018-20216
Creator: NVD / NIST
Published: 2018-12-20T21:29:01.073+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.88%

Last modified Jun 17, 2026

CVE-2018-20216 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. QEMU can have an infinite loop in hw/rdma/vmw/pvrdma_dev_ring.c because return values are not checked (and -1 is mishandled).. EPSS estimates a 3.88% chance of exploitation in the next 30 days.

Description

QEMU can have an infinite loop in hw/rdma/vmw/pvrdma_dev_ring.c because return values are not checked (and -1 is mishandled).

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

3.88%

88.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Qemu	Qemu	<= 3.1.0
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	18.10

References

http://www.openwall.com/lists/oss-security/2018/12/19/2Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/106291Third Party Advisory, VDB Entry
https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg03052.htmlPatch, Third Party Advisory
https://usn.ubuntu.com/3923-1/Third Party Advisory
http://www.openwall.com/lists/oss-security/2018/12/19/2Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/106291Third Party Advisory, VDB Entry
https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg03052.htmlPatch, Third Party Advisory
https://usn.ubuntu.com/3923-1/Third Party Advisory

Timeline

Published: Dec 20, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-20216?

QEMU can have an infinite loop in hw/rdma/vmw/pvrdma_dev_ring.c because return values are not checked (and -1 is mishandled).

How severe is CVE-2018-20216?

CVE-2018-20216 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.88% probability of exploitation in the next 30 days.

How do I fix CVE-2018-20216?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-20216?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST