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CVE-2022-0847 PoC — Linux kernel 安全漏洞

Source
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
Python script to check if your kernel is vulnerable to Dirty pipe CVE-2022-0847
Readme
# CVE-2022-0847-dirty-pipe-kernel-checker
Python script to check if your kernel is vulnerable to Dirty pipe CVE-2022-0847

You can execute directly the script on your system and it will find your kernel version

But you can execute the script with as argument a kernel version to check (3 digit kernel version, like 5.10.103)

./check-dirty-pipe.py 5.10.103

and it will print if this version is vulnerable or not:
Is your system vulnerable to CVE:  False
File Snapshot

[4.0K] /data/pocs/8345f2b21a1d8ec903c8db6b96f8cdfffa2950e0 ├── [ 882] check-dirty-pipe.py └── [ 456] README.md 0 directories, 2 files
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