cve/2020/CVE-2020-10024.md

### [CVE-2020-10024](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10024)
![](https://img.shields.io/static/v1?label=Product&message=zephyr&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3E%3D%201.14.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-697%20Incorrect%20Comparison&color=brighgreen)

### Description

The arm platform-specific code uses a signed integer comparison when validating system call numbers. An attacker who has obtained code execution within a user thread is able to elevate privileges to that of the kernel. See NCC-ZEP-001 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions.

### POC

#### Reference
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-30
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-30

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/CBackyx/CVE-Reproduction