CVE-2026-43372

kernel: net: dsa: microchip: Fix error path in PTP IRQ setup

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · May 8, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's Microchip DSA (Distributed Switch Architecture) driver. During the setup of a PTP (Precision Time Protocol) interrupt, an error can occur where system resources are not properly released. This resource leak could allow a local attacker to cause a denial of service by exhausting available system resources.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-772 · Missing Release of Resource after Effective Lifetime