cve/2023/CVE-2023-52440.md

### [CVE-2023-52440](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52440)
![](https://img.shields.io/static/v1?label=Product&message=Linux&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=1da177e4c3f4%3C%20bd554ed4fdc3%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:ksmbd: fix slub overflow in ksmbd_decode_ntlmssp_auth_blob()If authblob->SessionKey.Length is bigger than session keysize(CIFS_KEY_SIZE), slub overflow can happen in key exchange codes.cifs_arc4_crypt copy to session key array from SessionKey from client.

### POC

#### Reference
No PoCs from references.

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