CVE-2025-38324

kernel: Linux kernel: Denial of Service in MPLS subsystem due to suspicious RCU usage

Loading…

Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · July 10, 2025

Updated · June 30, 2026

Description

A flaw was found in the Linux kernel's Multiprotocol Label Switching (MPLS) subsystem. A local user with low privileges could exploit a concurrency issue, specifically a suspicious Read-Copy Update (RCU) usage, within the mpls_route_input_rcu() function. This could lead to a system crash, resulting in a Denial of Service (DoS).

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-821 · Incorrect Synchronization