linux-cve-announce - CVE-2026-23006: ASoC: tlv320adcx140: fix null pointer

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Message-ID: <2026012536-CVE-2026-23006-241b@gregkh>
Date: Sun, 25 Jan 2026 15:36:42 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...nel.org>
Subject: CVE-2026-23006: ASoC: tlv320adcx140: fix null pointer

From: Greg Kroah-Hartman <gregkh@...nel.org>

Description
===========

In the Linux kernel, the following vulnerability has been resolved:

ASoC: tlv320adcx140: fix null pointer

The "snd_soc_component" in "adcx140_priv" was only used once but never
set. It was only used for reaching "dev" which is already present in
"adcx140_priv".

The Linux kernel CVE team has assigned CVE-2026-23006 to this issue.


Affected and fixed versions
===========================

	Issue introduced in 6.1 with commit 4e82971f7b556cff3491c867e8840e7d788693b9 and fixed in 6.12.67 with commit 61757f5191daab863d25f03680e912b5449a1eed
	Issue introduced in 6.1 with commit 4e82971f7b556cff3491c867e8840e7d788693b9 and fixed in 6.18.7 with commit 53bd838ed5950cb18927e4b2e8ee841b7cb10929
	Issue introduced in 6.1 with commit 4e82971f7b556cff3491c867e8840e7d788693b9 and fixed in 6.19-rc6 with commit be7664c81d3129fc313ef62ff275fd3d33cfecd4

Please see https://www.kernel.org for a full list of currently supported
kernel versions by the kernel community.

Unaffected versions might change over time as fixes are backported to
older supported kernel versions.  The official CVE entry at
	https://cve.org/CVERecord/?id=CVE-2026-23006
will be updated if fixes are backported, please check that for the most
up to date information about this issue.


Affected files
==============

The file(s) affected by this issue are:
	sound/soc/codecs/tlv320adcx140.c


Mitigation
==========

The Linux kernel CVE team recommends that you update to the latest
stable kernel version for this, and many other bugfixes.  Individual
changes are never tested alone, but rather are part of a larger kernel
release.  Cherry-picking individual commits is not recommended or
supported by the Linux kernel community at all.  If however, updating to
the latest release is impossible, the individual changes to resolve this
issue can be found at these commits:
	https://git.kernel.org/stable/c/61757f5191daab863d25f03680e912b5449a1eed
	https://git.kernel.org/stable/c/53bd838ed5950cb18927e4b2e8ee841b7cb10929
	https://git.kernel.org/stable/c/be7664c81d3129fc313ef62ff275fd3d33cfecd4