cve/2018/CVE-2018-5390.md

### [CVE-2018-5390](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5390)
![](https://img.shields.io/static/v1?label=Product&message=Linux%20Kernel&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=4.94.9%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-400&color=brighgreen)

### Description

Linux kernel versions 4.9+ can be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of service.

### POC

#### Reference
- https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
- https://www.kb.cert.org/vuls/id/962459
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/hiboma/hiboma
- https://github.com/lnick2023/nicenice
- https://github.com/qazbnm456/awesome-cve-poc
- https://github.com/xbl3/awesome-cve-poc_qazbnm456