cve/2024/CVE-2024-56767.md

### [CVE-2024-56767](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-56767)
![](https://img.shields.io/static/v1?label=Product&message=Linux&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=b206d9a23ac71cb905f5fb6e0cd813406f89b678%3C%203d229600c54e9e0909080ecaf1aab0642aefa5f0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

In the Linux kernel, the following vulnerability has been resolved:dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memsetThe at_xdmac_memset_create_desc may return NULL, which will lead to anull pointer dereference. For example, the len input is error, or theatchan->free_descs_list is empty and memory is exhausted. Therefore, addcheck to avoid this.

### POC

#### Reference
No PoCs from references.

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