CVE-2016-9031

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2016-12-14 · updated 2026-06-17
Weakness: CWE-190

Description

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.

Affected products

Joyent SmartOS: 20161110t013148z

References

http://www.securityfocus.com/bid/94921
http://www.talosintelligence.com/reports/TALOS-2016-0249/
http://www.securityfocus.com/bid/94921
http://www.talosintelligence.com/reports/TALOS-2016-0249/

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