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CVE-2021-33909 PoC — Linux kernel 输入验证错误漏洞

Source
Associated Vulnerability
Title:Linux kernel 输入验证错误漏洞 (CVE-2021-33909)
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 存在输入验证错误漏洞,该漏洞源于一个越界写入缺陷。
Description
Sequoia exploit (7/20/21)
Readme
# Sequoia (CVE-2021-33909)
## Building
```shell
gcc exploit.c -o exploit
```
## Running
```shell
chmod +x exploit
./exploit
```
## One-Liner
```shell
gcc exploit.c -o exploit;chmod +x exploit;./exploit
```
## Credits
https://blog.qualys.com/vulnerabilities-threat-research/2021/07/20/sequoia-a-local-privilege-escalation-vulnerability-in-linuxs-filesystem-layer-cve-2021-33909
File Snapshot

[4.0K] /data/pocs/1ac91ef0f27f44083f4466ee504f21c034162320 ├── [6.5K] exploit.c └── [ 377] README.md 0 directories, 2 files
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