CVE-2025-38115

kernel: Linux kernel: Local Denial of Service in network scheduler

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · July 3, 2025

Updated · July 30, 2026

Description

A flaw was found in the Linux kernel's network scheduler, specifically within the Stochastic Fair Queueing (SFQ) mechanism. A local user could exploit this vulnerability by manipulating network packet queues, leading to an immediate drop of legitimate network traffic. This issue can result in a denial of service (DoS), making the system unresponsive.

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-99 · Improper Control of Resource Identifiers ('Resource Injection')