CVE-2023-54114

kernel: Linux kernel: Denial of Service due to incorrect network packet processing in NSH module

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · December 24, 2025

Updated · October 31, 2026

Description

A flaw was found in the Linux kernel, specifically within its Network Service Header (NSH) module. A local attacker could exploit this vulnerability by sending specially crafted network packets, which would cause the system to crash. This issue, a type of Denial of Service (DoS), arises from an incorrect calculation during network packet processing, leading to a critical error in memory management.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-253 · Incorrect Check of Function Return Value