CVE-2026-72109

kernel: net: sparx5: unregister blocking notifier on init failure

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · August 15, 2026

Updated · August 18, 2026

Description

A flaw was found in the Linux kernel's sparx5 network driver. An improper cleanup during initialization failure can leave a switchdev blocking notifier registered. This issue could lead to resource exhaustion or system instability, potentially resulting in a Denial of Service (DoS) condition.

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