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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
Vulnerability in the Linux kernel since 5.8
Readme
# CVE-2022-0847
Vulnerability in the Linux kernel since 5.8 which allows overwriting data in arbitrary read-only files. This leads to privilege escalation because unprivileged processes can inject code into root processes.
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To compile: `gcc poc.c -o poc`
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`Usage: ./poc TARGETFILE OFFSET DATA`
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Author and more info: https://dirtypipe.cm4all.com/
File Snapshot

[4.0K] /data/pocs/e565aaf7c48ac005d5c4e139c765fc7b04ab662f ├── [4.3K] poc.c └── [ 359] README.md 0 directories, 2 files
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