cve/2021/CVE-2021-29266.md

### [CVE-2021-29266](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29266)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

An issue was discovered in the Linux kernel before 5.11.9. drivers/vhost/vdpa.c has a use-after-free because v->config_ctx has an invalid value upon re-opening a character device, aka CID-f6bbf0010ba0.

### POC

#### Reference
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.9

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