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CVE-2025-38271

kernel: Linux kernel: Denial of Service via NULL dereference in rtnl_create_link()

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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. This vulnerability occurs in the rtnl_create_link() function where a NULL pointer dereference can happen if dev->netdev_ops is NULL when netdev_lock_ops() is called. A local attacker could exploit this to cause a system crash, leading to 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-476 · NULL Pointer Dereference