CVE-2016-9034

Severity: high (CVSS 7.0 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-120

Description

An exploitable buffer 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 buffer overflow in the nm variable leading to an out of bounds memory access and could result in potential privilege escalation. This vulnerability is distinct from CVE-2016-9032.

Affected products

Joyent SmartOS: through 20161110t013148z

References

http://www.securityfocus.com/bid/94930
http://www.talosintelligence.com/reports/TALOS-2016-0252/
http://www.securityfocus.com/bid/94930
http://www.talosintelligence.com/reports/TALOS-2016-0252/

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