CVE-2023-53842

kernel: ASoC: codecs: wcd-mbhc-v2: fix resource leaks on component remove

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · December 9, 2025

Updated · June 30, 2026

Description

A resource leak was found in the WCD MBHC v2 audio codec driver in the Linux kernel. MBHC resources are not properly released on component probe failure or removal, causing interrupt request failures and preventing successful reprobing of the codec component. This leads to sound card initialization failures after probe deferrals.

Statement

This issue affects Qualcomm WCD audio codec hardware found in specific ARM-based platforms. Standard x86 server and desktop systems do not include this hardware and are unaffected.

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