linux-cve-announce - CVE-2025-68281: ASoC: SDCA: bug fix while parsing mipi-sdca-control-cn-list

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Message-ID: <2025121640-CVE-2025-68281-4fa1@gregkh>
Date: Tue, 16 Dec 2025 15:48:41 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...nel.org>
Subject: CVE-2025-68281: ASoC: SDCA: bug fix while parsing mipi-sdca-control-cn-list

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

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

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

ASoC: SDCA: bug fix while parsing mipi-sdca-control-cn-list

"struct sdca_control" declares "values" field as integer array.
But the memory allocated to it is of char array. This causes
crash for sdca_parse_function API. This patch addresses the
issue by allocating correct data size.

The Linux kernel CVE team has assigned CVE-2025-68281 to this issue.


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

	Fixed in 6.17.12 with commit fcd5786b506c51cbabc2560c68e040d8dba22a0d
	Fixed in 6.18 with commit eb2d6774cc0d9d6ab8f924825695a85c14b2e0c2

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-2025-68281
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/sdca/sdca_functions.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/fcd5786b506c51cbabc2560c68e040d8dba22a0d
	https://git.kernel.org/stable/c/eb2d6774cc0d9d6ab8f924825695a85c14b2e0c2