cve/2024/CVE-2024-50081.md

### [CVE-2024-50081](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-50081)
![](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=6.10%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=7b815817aa58d2e2101feb2fcf64c60cae0b2695%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:blk-mq: setup queue ->tag_set before initializing hctxCommit 7b815817aa58 ("blk-mq: add helper for checking if one CPU is mapped to specified hctx")needs to check queue mapping via tag set in hctx's cpuhp handler.However, q->tag_set may not be setup yet when the cpuhp handler isenabled, then kernel oops is triggered.Fix the issue by setup queue tag_set before initializing hctx.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds