linux-cve-announce - CVE-2024-50137: reset: starfive: jh71x0: Fix accessing the empty member on JH7110 SoC

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Message-ID: <2024110559-CVE-2024-50137-22a1@gregkh>
Date: Tue,  5 Nov 2024 18:11:26 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: CVE-2024-50137: reset: starfive: jh71x0: Fix accessing the empty member on JH7110 SoC

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

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

reset: starfive: jh71x0: Fix accessing the empty member on JH7110 SoC

data->asserted will be NULL on JH7110 SoC since commit 82327b127d41
("reset: starfive: Add StarFive JH7110 reset driver") was added. Add
the judgment condition to avoid errors when calling reset_control_status
on JH7110 SoC.

The Linux kernel CVE team has assigned CVE-2024-50137 to this issue.


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

	Issue introduced in 6.4 with commit 82327b127d41 and fixed in 6.11.6 with commit c923f1fb8ae8
	Issue introduced in 6.4 with commit 82327b127d41 and fixed in 6.12-rc4 with commit 2cf596636607

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-2024-50137
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/reset/starfive/reset-starfive-jh71x0.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/c923f1fb8ae8627322d167b73bb4f978404a05de
	https://git.kernel.org/stable/c/2cf59663660799ce16f4dfbed97cdceac7a7fa11