CVEs-PoC/2021/CVE-2021-3839.md

### [CVE-2021-3839](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3839)
![](https://img.shields.io/static/v1?label=Product&message=dpdk&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=Fixed%20in%20dpdk%20v22.03%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-125%20-%20Out-of-bounds%20Read%20%7C%20CWE-787%20-%20Out-of-bounds%20Write&color=brightgreen)

### Description

A flaw was found in the vhost library in DPDK. Function vhost_user_set_inflight_fd() does not validate `msg->payload.inflight.num_queues`, possibly causing out-of-bounds memory read/write. Any software using DPDK vhost library may crash as a result of this vulnerability.

### POC

#### Reference
No PoCs from references.

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