cve/2024/CVE-2024-49571.md

### [CVE-2024-49571](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-49571)
![](https://img.shields.io/static/v1?label=Product&message=Linux&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=4.16%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=e7b7a64a8493d47433fd003efbe6543e3f676294%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=blue)

### Description

In the Linux kernel, the following vulnerability has been resolved:net/smc: check iparea_offset and ipv6_prefixes_cnt when receiving proposal msgWhen receiving proposal msg in server, the field iparea_offsetand the field ipv6_prefixes_cnt in proposal msg are from theremote client and can not be fully trusted. Especially thefield iparea_offset, once exceed the max value, there has thechance to access wrong address, and crash may happen.This patch checks iparea_offset and ipv6_prefixes_cnt before using them.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/oogasawa/Utility-security
- https://github.com/w4zu/Debian_security