CVE-2016-1885

medium

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.

References

https://security.FreeBSD.org/advisories/FreeBSD-SA-16:15.sysarch.asc

http://www.securitytracker.com/id/1035309

http://www.securityfocus.com/archive/1/537813/100/0/threaded

http://www.securityfocus.com/archive/1/537812/100/0/threaded

http://www.coresecurity.com/advisories/freebsd-kernel-amd64setldt-heap-overflow

http://seclists.org/fulldisclosure/2016/Mar/67

http://seclists.org/fulldisclosure/2016/Mar/56

Details

Source: Mitre, NVD

Published: 2016-04-12

Updated: 2018-10-09

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 6.2

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: Medium