---
cve: "CVE-2023-52450"
severity: "LOW"
cvss: 3.1
epss: "26%"
vendor: "Linux"
kev: false
exploited: false
published: "2024-02-22 17:15:08"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-11T13:01:44+02:00"
---

# CVE-2023-52450

> 3.1 LOW

## Beschreibung

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];' line
that leads to NULL pointer dereference in upi_fill_topology()

## Patch verfügbar (OSV)

- Kernel ≥ 6.6.14
- Kernel ≥ 6.7.2

## Referenzen

- <https://git.kernel.org/stable/c/bf1bf09e6b599758851457f3999779622a48d015>
- <https://git.kernel.org/stable/c/3d6f4a78b104c65e4256c3776c9949f49a1b459e>
- <https://git.kernel.org/stable/c/1692cf434ba13ee212495b5af795b6a07e986ce4>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2023-52450) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_