cve/2023/CVE-2023-52450.md

### [CVE-2023-52450](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52450)
![](https://img.shields.io/static/v1?label=Product&message=Linux&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=f680b6e6062e%3C%20bf1bf09e6b59%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:perf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology()Get logical socket id instead of physical id in discover_upi_topology()to avoid out-of-bound access on 'upi = &type->topology[nid][idx];' linethat leads to NULL pointer dereference in upi_fill_topology()

### POC

#### Reference
No PoCs from references.

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