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CVE-2023-3338

MediumPublished

Crash due to a null pointer dereference in the dn_nsp_send function

Published: Jun 30, 2023
Updated: Mar 5, 2025
Assigning CNA: redhat
Evidence observed: Aug 8, 2026

Primary CVSS

6.5/ 10Medium

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS probability estimate

8.0%

Low · next 30 days

Percentile: 94.6%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

A null pointer dereference flaw was found in the Linux kernel's DECnet networking protocol. This issue could allow a remote user to crash the system.

Sources

CVE-2023-3338-DECPwnExploit
Linux kernel LPE practice with an NPD vulnerability

Responsible use

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