CVEs-PoC/2021/CVE-2021-3759.md

### [CVE-2021-3759](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3759)
![](https://img.shields.io/static/v1?label=Product&message=kernel&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-400%20-%20Uncontrolled%20Resource%20Consumption&color=brighgreen)

### Description

A memory overflow vulnerability was found in the Linux kernel’s ipc functionality of the memcg subsystem, in the way a user calls the semget function multiple times, creating semaphores. This flaw allows a local user to starve the resources, causing a denial of service. The highest threat from this vulnerability is to system availability.

### POC

#### Reference
- https://lore.kernel.org/linux-mm/1626333284-1404-1-git-send-email-nglaive@gmail.com/

#### Github
- https://github.com/ARPSyndicate/cvemon