linux-cve-announce - CVE-2026-23081: net: phy: intel-xway: fix OF node refcount leakage

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Message-ID: <2026020421-CVE-2026-23081-5494@gregkh>
Date: Wed,  4 Feb 2026 17:14:40 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...nel.org>
Subject: CVE-2026-23081: net: phy: intel-xway: fix OF node refcount leakage

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

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

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

net: phy: intel-xway: fix OF node refcount leakage

Automated review spotted am OF node reference count leakage when
checking if the 'leds' child node exists.

Call of_put_node() to correctly maintain the refcount.

The Linux kernel CVE team has assigned CVE-2026-23081 to this issue.


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

	Issue introduced in 6.13 with commit 1758af47b98c17da464cb45f476875150955dd48 and fixed in 6.18.8 with commit 1f24dfd556401b75f78e8d9cbd94dd9f31411c3a
	Issue introduced in 6.13 with commit 1758af47b98c17da464cb45f476875150955dd48 and fixed in 6.19-rc7 with commit 79912b256e14054e6ba177d7e7e631485ce23dbe

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-2026-23081
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:
	drivers/net/phy/intel-xway.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/1f24dfd556401b75f78e8d9cbd94dd9f31411c3a
	https://git.kernel.org/stable/c/79912b256e14054e6ba177d7e7e631485ce23dbe