CVE-2026-90101

kernel: bnxt_en: Fix call to hardware monitoring event handler

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 17, 2026

Updated · October 13, 2026

Description

A flaw was found in the Linux kernel's Broadcom NetXtreme-C/E (bnxt_en) network adapter driver. The driver incorrectly calls the hardware monitoring event handler function hwmon_notify_event() with an incorrect parameter. This improper function call can lead to undefined behavior and may result in a system crash, causing 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-843 · Access of Resource Using Incompatible Type ('Type Confusion')