CVE-2022-0847 PoC — Linux kernel 安全漏洞

Source

https://github.com/si1ent-le/CVE-2022-0847

Associated Vulnerability

Title:Linux kernel 安全漏洞 (CVE-2022-0847)
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 存在安全漏洞，该漏洞源于新管道缓冲区结构的“flag”变量在 Linux 内核中的 copy_page_to_iter_pipe 和 push_pipe 函数中缺乏正确初始化。非特权本地用户利用该漏洞可以提升权限至root。以下产品和版本受到影响：Linux Kernel 5.8-5.16.11、5.8-5.15.25、5.8-5.10.102。

Description

CVE-2022-0487

Readme

### CVE-2022-0847

参考：[Dirty Pipe](https://dirtypipe.cm4all.com/)漏洞介绍

### PoC

1.查看内核
```
uname -r
```

![image-20220308111450226](image-20220308111450226.png)

2.编译并执行

```
gcc poc.c
```
![image-20220308111450226](image-20220308111637000.png)

File Snapshot


 [4.0K]  /data/pocs/e06cc2fe727c9ff4ca5b986cb7ac2e51a3c8a182
├── [105K]  image-20220308111450226.png
├── [534K]  image-20220308111637000.png
├── [4.3K]  PoC.c
└── [ 277]  README.md

0 directories, 4 files

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