linux-cve-announce - CVE-2023-54059: soc: mediatek: mtk-svs: Enable the IRQ later

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Message-ID: <2025122427-CVE-2023-54059-c769@gregkh>
Date: Wed, 24 Dec 2025 13:26:52 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...nel.org>
Subject: CVE-2023-54059: soc: mediatek: mtk-svs: Enable the IRQ later

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

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

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

soc: mediatek: mtk-svs: Enable the IRQ later

If the system does not come from reset (like when is booted via
kexec()), the peripheral might triger an IRQ before the data structures
are initialised.


[    0.227710] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000f08
[    0.227913] Call trace:
[    0.227918]  svs_isr+0x8c/0x538

The Linux kernel CVE team has assigned CVE-2023-54059 to this issue.


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

	Fixed in 6.1.18 with commit 6b99ebd30d65ee5ab8e8dd1d378550911eff5e4f
	Fixed in 6.2.5 with commit 66ea96629bbccf1b483be506f3daff754069cdd3
	Fixed in 6.3 with commit b74952aba6c3f47e7f2c5165abaeefa44c377140

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-2023-54059
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/soc/mediatek/mtk-svs.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/6b99ebd30d65ee5ab8e8dd1d378550911eff5e4f
	https://git.kernel.org/stable/c/66ea96629bbccf1b483be506f3daff754069cdd3
	https://git.kernel.org/stable/c/b74952aba6c3f47e7f2c5165abaeefa44c377140