CVE-2016-1885

MEDIUM

FreeBSD <9.3p39, 10.1p31, 10.2p14 - DoS

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2016-1885. PoCs published by Core Security.

AI-analyzed exploit summary This exploit demonstrates a heap overflow in the FreeBSD kernel due to an integer signedness error in the amd64_set_ldt function, allowing local unprivileged attackers to crash the system.

Description

Integer signedness error in the amd64_set_ldt function in sys/amd64/amd64/sys_machdep.c in FreeBSD 9.3 before p39, 10.1 before p31, and 10.2 before p14 allows local users to cause a denial of service (kernel panic) via an i386_set_ldt system call, which triggers a heap-based buffer overflow.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Core Security · cdosfreebsd_x86-64
https://www.exploit-db.com/exploits/39570

This exploit demonstrates a heap overflow in the FreeBSD kernel due to an integer signedness error in the amd64_set_ldt function, allowing local unprivileged attackers to crash the system.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: FreeBSD 10.2 amd64
No auth needed
Prerequisites: Local access to a vulnerable FreeBSD system
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (9)

Core 9
Core References
Exploit exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/39570/
Vendor Advisory vendor-advisory x_refsource_freebsd
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:15.sysarch.asc
Mailing List mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2016/Mar/56
Mailing List mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2016/Mar/67
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1035309
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/537813/100/0/threaded
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/537812/100/0/threaded

Scores

CVSS v3 6.2
EPSS 0.0015
EPSS Percentile 35.5%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-119
Status published
Products (3)
freebsd/freebsd 9.3
freebsd/freebsd 10.1
freebsd/freebsd 10.2
Published Apr 12, 2016
Tracked Since Feb 18, 2026