CVE-2026-80940

kernel: wifi: rtw88: pci: fix resource leak on failed NAPI setup

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 11, 2026

Updated · October 29, 2026

Description

A flaw was found in the Linux kernel's rtw88 PCI driver. During the probe process, if the NAPI (Networked Attached Peripheral Interface) setup fails, allocated PCI resources are not properly released. This resource leak could potentially lead to a Denial of Service (DoS) due to resource exhaustion, impacting system stability.

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-772 · Missing Release of Resource after Effective Lifetime