cve/2018/CVE-2018-15594.md

### [CVE-2018-15594](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15594)
![](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

arch/x86/kernel/paravirt.c in the Linux kernel before 4.18.1 mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks against paravirtual guests.

### POC

#### Reference
- https://usn.ubuntu.com/3777-1/
- https://usn.ubuntu.com/3777-3/

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/elivepatch/livepatch-overlay