cve/2017/CVE-2017-16939.md

### [CVE-2017-16939](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16939)
![](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

The XFRM dump policy implementation in net/xfrm/xfrm_user.c in the Linux kernel before 4.13.11 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Al1ex/LinuxEelvation
- https://github.com/De4dCr0w/Linux-kernel-EoP-exp
- https://github.com/JlSakuya/Linux-Privilege-Escalation-Exploits
- https://github.com/Micr067/linux-kernel-exploits
- https://github.com/QChiLan/linux-exp
- https://github.com/R0B1NL1N/Linux-Kernal-Exploits-m-
- https://github.com/SecWiki/linux-kernel-exploits
- https://github.com/Snoopy-Sec/Localroot-ALL-CVE
- https://github.com/albinjoshy03/linux-kernel-exploits
- https://github.com/alian87/linux-kernel-exploits
- https://github.com/distance-vector/linux-kernel-exploits
- https://github.com/fei9747/LinuxEelvation
- https://github.com/hktalent/bug-bounty
- https://github.com/kumardineshwar/linux-kernel-exploits
- https://github.com/ozkanbilge/Linux-Kernel-Exploits
- https://github.com/password520/linux-kernel-exploits
- https://github.com/qiantu88/Linux--exp
- https://github.com/rakjong/LinuxElevation
- https://github.com/xfinest/linux-kernel-exploits
- https://github.com/xssfile/linux-kernel-exploits
- https://github.com/yige666/linux-kernel-exploits
- https://github.com/zyjsuper/linux-kernel-exploits