cve/2022/CVE-2022-2585.md

### [CVE-2022-2585](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2585)
![](https://img.shields.io/static/v1?label=Product&message=linux&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=0%3C%206.0~rc1%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-416&color=brighgreen)

### Description

It was discovered that when exec'ing from a non-leader thread, armed POSIX CPU timers would be left on a list but freed, leading to a use-after-free.

### POC

#### Reference
- https://ubuntu.com/security/notices/USN-5564-1
- https://ubuntu.com/security/notices/USN-5565-1
- https://ubuntu.com/security/notices/USN-5566-1
- https://www.openwall.com/lists/oss-security/2022/08/09/7

#### Github
- https://github.com/HaxorSecInfec/autoroot.sh
- https://github.com/JlSakuya/Linux-Privilege-Escalation-Exploits
- https://github.com/a-roshbaik/Linux-Privilege-Escalation-Exploits
- https://github.com/fkie-cad/nvd-json-data-feeds
- https://github.com/greek0x0/2022-LPE-UAF
- https://github.com/konoha279/2022-LPE-UAF
- https://github.com/pirenga/2022-LPE-UAF