CVE-2016-1885

Severity: medium (CVSS 6.2 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2016-04-12 · updated 2026-06-17
Weakness: CWE-119

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.

Affected products

FreeBSD: 9.3, 10.1, 10.2

References

http://packetstormsecurity.com/files/136276/FreeBSD-Kernel-amd64_set_ldt-Heap-Overflow.html
http://seclists.org/fulldisclosure/2016/Mar/56
http://seclists.org/fulldisclosure/2016/Mar/67
http://www.coresecurity.com/advisories/freebsd-kernel-amd64setldt-heap-overflow
http://www.securityfocus.com/archive/1/537812/100/0/threaded
http://www.securityfocus.com/archive/1/537813/100/0/threaded
http://www.securitytracker.com/id/1035309
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:15.sysarch.asc
https://www.exploit-db.com/exploits/39570/
http://packetstormsecurity.com/files/136276/FreeBSD-Kernel-amd64_set_ldt-Heap-Overflow.html
http://seclists.org/fulldisclosure/2016/Mar/56
http://seclists.org/fulldisclosure/2016/Mar/67

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