linux-cve-announce - CVE-2024-57880: ASoC: Intel: sof_sdw: Add space for a terminator into DAIs array

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Message-ID: <2025011134-CVE-2024-57880-c009@gregkh>
Date: Sat, 11 Jan 2025 16:05:33 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: CVE-2024-57880: ASoC: Intel: sof_sdw: Add space for a terminator into DAIs array

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

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

ASoC: Intel: sof_sdw: Add space for a terminator into DAIs array

The code uses the initialised member of the asoc_sdw_dailink struct to
determine if a member of the array is in use. However in the case the
array is completely full this will lead to an access 1 past the end of
the array, expand the array by one entry to include a space for a
terminator.

The Linux kernel CVE team has assigned CVE-2024-57880 to this issue.


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

	Issue introduced in 6.10 with commit 27fd36aefa0013bea1cf6948e2e825e9b8cff97a and fixed in 6.12.6 with commit b21a849764a4111b0bc14a5ffe987a0582419de2
	Issue introduced in 6.10 with commit 27fd36aefa0013bea1cf6948e2e825e9b8cff97a and fixed in 6.13-rc3 with commit 255cc582e6e16191a20d54bcdbca6c91d3e90c5e

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-2024-57880
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/intel/boards/sof_sdw.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/b21a849764a4111b0bc14a5ffe987a0582419de2
	https://git.kernel.org/stable/c/255cc582e6e16191a20d54bcdbca6c91d3e90c5e