cve/2023/CVE-2023-3090.md

### [CVE-2023-3090](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-3090)
![](https://img.shields.io/static/v1?label=Product&message=Kernel&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=3.19%3C%206.4%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-787%20Out-of-bounds%20Write&color=brighgreen)

### Description

A heap out-of-bounds write vulnerability in the Linux Kernel ipvlan network driver can be exploited to achieve local privilege escalation.The out-of-bounds write is caused by missing skb->cb  initialization in the ipvlan network driver. The vulnerability is reachable if CONFIG_IPVLAN is enabled.We recommend upgrading past commit 90cbed5247439a966b645b34eb0a2e037836ea8e.

### POC

#### Reference
- http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html
- http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html

#### Github
No PoCs found on GitHub currently.