CVE-2016-1885
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…
Does this matter?
Lower severity and a low EPSS score (1.26%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.0
- 6.2 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.26% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- freebsd/freebsd
- Source
- cve@mitre.org
References
- http://packetstormsecurity.com/files/136276/FreeBSD-Kernel-amd64_set_ldt-Heap-Overflow.htmlExploit
- 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.ascVendor Advisory
- https://www.exploit-db.com/exploits/39570/Exploit
- http://packetstormsecurity.com/files/136276/FreeBSD-Kernel-amd64_set_ldt-Heap-Overflow.htmlExploit
- 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.ascVendor Advisory
- https://www.exploit-db.com/exploits/39570/Exploit
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.