cve/2024/CVE-2024-44938.md

### [CVE-2024-44938](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-44938)
![](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=3.7%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=b40c2e665cd552eae5fbdbb878bc29a34357668e%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:jfs: Fix shift-out-of-bounds in dbDiscardAGWhen searching for the next smaller log2 block, BLKSTOL2() returned 0,causing shift exponent -1 to be negative.This patch fixes the issue by exiting the loop directly when negativeshift is found.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds
- https://github.com/w4zu/Debian_security