HOMEVULNERABILITIESCVE-2018-16847
HIGH

CVE-2018-16847

CWE-787Published: November 2, 2018· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2018-16847 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Canonical1 product(s)
ubuntu linux
qemu1 product(s)
qemu
Source: NVD CPE · 6 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847
PATCHhttps://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.html
PATCHhttps://www.openwall.com/lists/oss-security/2018/11/02/1
PATCHhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847
PATCHhttps://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.html
PATCHhttps://www.openwall.com/lists/oss-security/2018/11/02/1
ADVISORYhttp://www.securityfocus.com/bid/105866
ADVISORYhttps://usn.ubuntu.com/3826-1/
ADVISORYhttp://www.securityfocus.com/bid/105866
ADVISORYhttps://usn.ubuntu.com/3826-1/

All References (10)

→
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

Quick Facts

CVE IDCVE-2018-16847
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-787
CISA KEVNo
Affected2 vendor(s)
PublishedNov 2, 2018

Related CVEs (CWE-787)

CVE-2012-3957
10.0
CVE-2013-5610
10.0
CVE-2004-0574
10.0
CVE-2018-10718
10.0
CVE-2009-2466
10.0
CVE-2014-1478
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-16847 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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