CVE-2018-16847: High severity Qemu Qemu vulnerability

Published Nov 2, 2018
·
Updated

An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU. It could occur in nvmecmbops 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.

Affected Software

8 affected componentsFixes available
Qemu Qemu<=3.0.0
Qemu Qemu=3.1.0-rc0
Qemu Qemu=3.1.0-rc1
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=18.10
debian/qemu
1:5.2+dfsg-11+deb11u31:5.2+dfsg-11+deb11u51:7.2+dfsg-7+deb12u181:7.2+dfsg-7+deb12u151:10.0.8+ds-0+deb13u11:10.0.2+ds-2+deb13u11:11.0.0+ds-21:11.0.1+ds-1

Event History

Nov 2, 2018
CVE Published
via MITRE·10:00 PM
Data Sourced
via MITRE·10:00 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:29 PM
RemedyDescriptionSeverityWeaknessAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·10:54 PM
Description
Feb 20, 2026
Data Sourced
via Ubuntu·03:57 PM
RemedyDescriptionSeverityAffected Software
Jun 1, 2026
Data Sourced
via Debian·05:09 PM
DescriptionAffected Software

Frequently Asked Questions

1

What is CVE-2018-16847?

CVE-2018-16847 is an OOB heap buffer r/w access vulnerability in the NVM Express Controller emulation in QEMU, which could result in denial of service (DoS) or arbitrary code execution.

2

What is the severity of CVE-2018-16847?

The severity of CVE-2018-16847 is high with a CVSS score of 7.8.

3

How does CVE-2018-16847 affect QEMU?

CVE-2018-16847 affects the NVM Express Controller emulation in QEMU, allowing a guest user/process to crash QEMU or potentially execute arbitrary code with the privileges of the QEMU process.

4

Which software versions are affected by CVE-2018-16847?

QEMU versions up to 3.0.0, 3.1.0-rc0, and 3.1.0-rc1 are affected, as well as specific versions of QEMU on Ubuntu 14.04, 16.04, 18.04, and 18.10, and certain versions of QEMU on Debian systems.

5

How can I fix CVE-2018-16847?

To fix CVE-2018-16847, update QEMU to version 1:2.11+dfsg-1ubuntu7.8 on Ubuntu, 1:2.12+dfsg-3ubuntu8.1 on Ubuntu 18.04 (cosmic), or the appropriate fixed versions on other affected systems.

Contact

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