CVE-2022-0847 PoC — Linux kernel 安全漏洞

Source

https://github.com/Shadow-Spinner/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

exploit of CVE-2022-0847 which directly remove password of the root account

Readme

# CVE-2022-0847
exploit of CVE-2022-0847 which directly remove password of the root account

# Usage:
1. gcc cve-2022-0847.c -o exploit
2. ./exploit

# Requrements:
gcc

# Work summery:
The traditional classic exploit POC of Max Kellermann used to add a user with root privilage but in this POC exploit, It gives removes password for root account by modifng /etc/passwd file [root:x:0:0:root:/root:/bin/bash].

File Snapshot

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