CVE-2018-16847

Name: CVE-2018-16847
Creator: NVD / NIST
Published: 2018-11-02T22:29:00.347+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.54%

Last modified Jun 17, 2026

CVE-2018-16847 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU. It could occur in nvme_cmb_ops routines in nvme device. EPSS estimates a 0.54% chance of exploitation in the next 30 days.

Description

An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU. It could occur in nvme_cmb_ops routines in nvme device. A guest user/process could use this flaw to crash the QEMU process resulting in DoS or potentially run arbitrary code with privileges of the QEMU process.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.54%

41.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Qemu	Qemu	<= 3.0.0	—
Qemu	Qemu	3.1.0	Rc0
Canonical	Ubuntu Linux	14.04	—
Canonical	Ubuntu Linux	16.04	—
Canonical	Ubuntu Linux	18.04	—
Canonical	Ubuntu Linux	18.10	—

References

http://www.securityfocus.com/bid/105866Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847Issue Tracking, Patch, Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.htmlMailing List, Patch, Third Party Advisory
https://usn.ubuntu.com/3826-1/Third Party Advisory
https://www.openwall.com/lists/oss-security/2018/11/02/1Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/105866Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847Issue Tracking, Patch, Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.htmlMailing List, Patch, Third Party Advisory
https://usn.ubuntu.com/3826-1/Third Party Advisory
https://www.openwall.com/lists/oss-security/2018/11/02/1Mailing List, Patch, Third Party Advisory

Timeline

Published: Nov 2, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-16847?

How severe is CVE-2018-16847?

CVE-2018-16847 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.

How do I fix CVE-2018-16847?

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-2018-16847?

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

Scan your code now

Source: NVD / NIST