linux-cve-announce - CVE-2022-49453: soc: ti: ti_sci_pm_domains: Check for null return of devm

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Message-ID: <2025022659-CVE-2022-49453-9819@gregkh>
Date: Wed, 26 Feb 2025 03:12:07 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: CVE-2022-49453: soc: ti: ti_sci_pm_domains: Check for null return of devm_kcalloc

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

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

soc: ti: ti_sci_pm_domains: Check for null return of devm_kcalloc

The allocation funciton devm_kcalloc may fail and return a null pointer,
which would cause a null-pointer dereference later.
It might be better to check it and directly return -ENOMEM just like the
usage of devm_kcalloc in previous code.

The Linux kernel CVE team has assigned CVE-2022-49453 to this issue.


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

	Fixed in 5.10.121 with commit 05efc4591f80582b6fe53366b70b6a35a42fd255
	Fixed in 5.15.46 with commit 7cef9274fa1b8506949d74bc45aef072b890824a
	Fixed in 5.17.14 with commit c4e188869406b47ac3350920bf165be303cb1c96
	Fixed in 5.18.3 with commit 01ba41a359622ab256ce4d4f8b94c67165ae3daf
	Fixed in 5.19 with commit ba56291e297d28aa6eb82c5c1964fae2d7594746

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-2022-49453
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/ti/ti_sci_pm_domains.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/05efc4591f80582b6fe53366b70b6a35a42fd255
	https://git.kernel.org/stable/c/7cef9274fa1b8506949d74bc45aef072b890824a
	https://git.kernel.org/stable/c/c4e188869406b47ac3350920bf165be303cb1c96
	https://git.kernel.org/stable/c/01ba41a359622ab256ce4d4f8b94c67165ae3daf
	https://git.kernel.org/stable/c/ba56291e297d28aa6eb82c5c1964fae2d7594746