CVE-2016-1885

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Summary

CVECVE-2016-1885
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-04-12 02:00:06 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionInteger 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.

Risk And Classification

Primary CVSS: v3.0 6.2 MEDIUM from [email protected]

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

Problem Types: CWE-119 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary6.2MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary4.9AV:L/AC:L/Au:N/C:N/I:N/A:C

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:L/AC:L/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Freebsd Freebsd 10.1 All All All
Operating System Freebsd Freebsd 10.2 All All All
Operating System Freebsd Freebsd 9.3 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Full Disclosure: Re: [CORE-2016-0005] - FreeBSD Kernel amd64_set_ldt Heap Overflow af854a3a-2127-422b-91ae-364da2661108 seclists.org
Full Disclosure: [CORE-2016-0005] - FreeBSD Kernel amd64_set_ldt Heap Overflow af854a3a-2127-422b-91ae-364da2661108 seclists.org
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
FreeBSD Kernel amd64_set_ldt Heap Overflow | Core Security af854a3a-2127-422b-91ae-364da2661108 www.coresecurity.com
FreeBSD Kernel amd64_set_ldt Heap Overflow ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Exploit
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
FreeBSD sysarch(2) Input Validation Flaw Lets Local Users Cause Denial of Service Conditions on the Target System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
FreeBSD 10.2 (x64) - 'amd64_set_ldt' Heap Overflow - FreeBSD_x86-64 dos Exploit af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com Exploit
security.FreeBSD.org/advisories/FreeBSD-SA-16:15.sysarch.asc af854a3a-2127-422b-91ae-364da2661108 security.FreeBSD.org Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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