// For flags

CVE-2016-7621

Apple macOS < 10.12.2 / iOS < 10.2 - '_kernelrpc_mach_port_insert_right_trap' Kernel Reference Count Leak / Use-After-Free

Severity Score

7.8
*CVSS v3

Exploit Likelihood

< 1%
*EPSS

Affected Versions

3
*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An issue was discovered in certain Apple products. iOS before 10.2 is affected. macOS before 10.12.2 is affected. watchOS before 3.1.3 is affected. The issue involves the "Kernel" component. It allows local users to execute arbitrary code in a privileged context or cause a denial of service (use-after-free) via unspecified vectors.

Se ha descubierto un problema en ciertos productos Apple. iOS en versiones anteriores a 10.2 está afectado. macOS en versiones anteriores a 10.12.2 está afectado. watchOS en versiones anteriores a 3.1.3 está afectado. El problema involucra al componente "Kernel". Esto permite a usuarios locales ejecutar código arbitrario en un contexto privilegiado o provocar una denegación de servicio (uso después de liberación de memoria) a través de vectores no especificados.

A lack of error checking leads to a reference count leak and OS X / iOS kernel use-after-free vulnerability in _kernelrpc_mach_port_insert_right_trap.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2016-09-09 CVE Reserved
  • 2016-12-14 CVE Published
  • 2016-12-22 First Exploit
  • 2024-08-06 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-416: Use After Free
CAPEC
Affected Vendors, Products, and Versions (3)