MEDIUM
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
Published Apr 8, 2016
6.2
MEDIUMCVSS 3.0
EPSS 1.26%
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
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
6.2 MEDIUM NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
4.9 MEDIUM NVD
AV:L/AC:L/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.26% 0.01263
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01263
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.26% (0.01263) | 68.62th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.26% (0.01263) | 65.73th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.23% (0.00234) | 44.17th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.46% (0.00464) | 76.25th | v3 (v2023.03.01) |
| Mar 7, 2024 | 0.46% (0.00464) | 74.87th | v3 (v2023.03.01) |
| Jan 30, 2024 | 0.46% (0.00464) | 72.86th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.33% (0.00327) | 66.17th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.08% (0.04078) | 85.98th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.08% (0.04078) | 84.57th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.08% (0.04078) | 68.02th | v2 (v2022.01.01) |
Weaknesses (1)
References (9)
- http://packetstormsecurity.com/files/136276/FreeBSD-Kernel-amd64_set_ldt-Heap-Overflow.html x_refsource_MISCExploit
- http://seclists.org/fulldisclosure/2016/Mar/56 mailing-listx_refsource_FULLDISC
- http://seclists.org/fulldisclosure/2016/Mar/67 mailing-listx_refsource_FULLDISC
- http://www.coresecurity.com/advisories/freebsd-kernel-amd64setldt-heap-overflow x_refsource_MISC
- http://www.securityfocus.com/archive/1/537812/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/537813/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securitytracker.com/id/1035309 vdb-entryx_refsource_SECTRACK
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:15.sysarch.asc vendor-advisoryx_refsource_FREEBSDVendor Advisory
- https://www.exploit-db.com/exploits/39570/ exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/136276/FreeBSD-Kernel-amd64_set_ldt-Heap-Overflow.html | x_refsource_MISCExploit | |
| http://seclists.org/fulldisclosure/2016/Mar/56 | mailing-listx_refsource_FULLDISC | |
| http://seclists.org/fulldisclosure/2016/Mar/67 | mailing-listx_refsource_FULLDISC | |
| http://www.coresecurity.com/advisories/freebsd-kernel-amd64setldt-heap-overflow | x_refsource_MISC | |
| http://www.securityfocus.com/archive/1/537812/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/archive/1/537813/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securitytracker.com/id/1035309 | vdb-entryx_refsource_SECTRACK | |
| https://security.FreeBSD.org/advisories/FreeBSD-SA-16:15.sysarch.asc | vendor-advisoryx_refsource_FREEBSDVendor Advisory | |
| https://www.exploit-db.com/exploits/39570/ | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Apr 8, 2016
Updated Aug 5, 2024
Reserved Jan 13, 2016
Link CVE-2016-1885
CISA Vulnrichment
Updated n/a