CVE-2016-9031

mediumpriority · track · 31EPSS 0.005 · 42 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.49% (42nd) EPSS

CVSS 6.9 · medium

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

An exploitable integer overflow exists in the Joyent SmartOS 20161110T013148Z Hyprlofs file system. The vulnerability is present in the Ioctl system call with the command HYPRLOFS_ADD_ENTRIES when dealing with 32-bit file systems. An attacker can craft an input that can cause a kernel panic and potentially be leveraged into a full privilege escalation vulnerability. This vulnerability is distinct from CVE-2016-8733.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.8

v2.06.9mediumAV:L/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.4 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.1 · impact 6

v3.07.8highCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.07.8highCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · talos-cna@cisco.com USexploitability 1.1 · impact 6

v3.17.1highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-190USprimary

affected products (2)

Products and version ranges known to be affected.

Joyent SmartOS≤ OS 20161110T013148Zenisa_euvdEU
joyent smartos= 20161110t013148znvdUScpe:2.3:o:joyent:smartos:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2016-12-14modified 2026-06-17

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+4648 more

references (6)

External citations — patches, advisories, analysis.

http://www.talosintelligence.com/reports/TALOS-2016-0249/cnnvd
https://www.securityfocus.com/bid/94921 cnnvd
http://www.securityfocus.com/bid/94921 enisa_euvd
http://www.talosintelligence.com/reports/TALOS-2016-0249/enisa_euvd
http://www.securityfocus.com/bid/94921Broken LinkThird Party AdvisoryVDB Entrynvd
http://www.talosintelligence.com/reports/TALOS-2016-0249/ExploitThird Party AdvisoryVDB Entrynvd

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