CVE-2026-43137

kernel: ASoC: SOF: Intel: hda: Fix NULL pointer dereference

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · May 6, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's Advanced Linux Sound Architecture on Chip (ASoC) Sound Open Firmware (SOF) Intel High Definition Audio (HDA) subsystem. This flaw occurs when there is a mismatch between the Digital Audio Interface (DAI) links in the machine driver and the audio topology, leading to a playback/capture widget not being set. This can result in a null pointer dereference, potentially causing a system crash or denial of service.

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