CVE-2022-32250 PoC — Linux kernel 资源管理错误漏洞

Source

https://github.com/seadragnol/CVE-2022-32250

Associated Vulnerability

Title:Linux kernel 资源管理错误漏洞 (CVE-2022-32250)
Description:Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 5.18.1版本及之前版本存在安全漏洞，该漏洞源于net/netfilter/nf_tables_api.c允许本地用户将权限升级为root用户，攻击者利用该漏洞可导致释放后重用。

Readme

# CVE-2022-32250

This is my exploit for CVE-2022-32250, written entirely based on the research from [NCC Group's blog](https://www.nccgroup.com/us/research-blog/settlers-of-netlink-exploiting-a-limited-uaf-in-nf_tables-cve-2022-32250).

Tested on: Kernel version 5.13\
Success rate: ~70%

![poc](./poc.png)

## Building

Building requires `libmnl` and `libnftnl`.

```c
make all
```

## Disclaimer
The Proof-of-Concept and the write-up of the vulnerability are for educational and research purposes only. Use at your own risk.

File Snapshot


 [4.0K]  /data/pocs/1dfe1b93a262520ebbb678c54f20aa7cf40286e7
├── [   5]  dummy
├── [ 30K]  exploit.c
├── [ 164]  ex.sh
├── [4.2K]  fuse_spray.c
├── [ 208]  fuse_spray.h
├── [ 338]  Makefile
├── [ 237]  monke.c
├── [154K]  poc.png
├── [ 527]  README.md
└── [  78]  x

0 directories, 10 files

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