cve/2022/CVE-2022-42703.md

### [CVE-2022-42703](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42703)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

mm/rmap.c in the Linux kernel before 5.19.7 has a use-after-free related to leaf anon_vma double reuse.

### POC

#### Reference
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7
- https://googleprojectzero.blogspot.com/2022/12/exploiting-CVE-2022-42703-bringing-back-the-stack-attack.html

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Ha0-Y/LinuxKernelExploits
- https://github.com/Ha0-Y/kernel-exploit-cve
- https://github.com/Satheesh575555/linux-4.1.15_CVE-2022-42703
- https://github.com/Squirre17/hbp-attack-demo
- https://github.com/bcoles/kasld
- https://github.com/fardeen-ahmed/Bug-bounty-Writeups
- https://github.com/kdn111/linux-kernel-exploitation
- https://github.com/khanhdn111/linux-kernel-exploitation
- https://github.com/khanhdz-06/linux-kernel-exploitation
- https://github.com/khanhdz191/linux-kernel-exploitation
- https://github.com/khanhhdz/linux-kernel-exploitation
- https://github.com/khanhhdz06/linux-kernel-exploitation
- https://github.com/khanhnd123/linux-kernel-exploitation
- https://github.com/knd06/linux-kernel-exploitation
- https://github.com/ndk06/linux-kernel-exploitation
- https://github.com/ndk191/linux-kernel-exploitation
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/pray77/CVE-2023-3640
- https://github.com/pray77/SCTF2023_kernelpwn
- https://github.com/ssr-111/linux-kernel-exploitation
- https://github.com/veritas501/hbp_attack_demo
- https://github.com/wkhnh06/linux-kernel-exploitation
- https://github.com/xairy/linux-kernel-exploitation