linux-cve-announce - CVE-2023-53014: dmaengine: tegra: Fix memory leak in terminate

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Message-ID: <2025032716-CVE-2023-53014-700f@gregkh>
Date: Thu, 27 Mar 2025 17:44:01 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: CVE-2023-53014: dmaengine: tegra: Fix memory leak in terminate_all()

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

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

dmaengine: tegra: Fix memory leak in terminate_all()

Terminate vdesc when terminating an ongoing transfer.
This will ensure that the vdesc is present in the desc_terminated list
The descriptor will be freed later in desc_free_list().

This fixes the memory leaks which can happen when terminating an
ongoing transfer.

The Linux kernel CVE team has assigned CVE-2023-53014 to this issue.


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

	Issue introduced in 5.19 with commit ee17028009d49fffed8cc963455d33b1fd3f1d08 and fixed in 6.1.9 with commit 567128076d554e41609c61b7d447089094ff72c5
	Issue introduced in 5.19 with commit ee17028009d49fffed8cc963455d33b1fd3f1d08 and fixed in 6.2 with commit a7a7ee6f5a019ad72852c001abbce50d35e992f2

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-2023-53014
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/dma/tegra186-gpc-dma.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/567128076d554e41609c61b7d447089094ff72c5
	https://git.kernel.org/stable/c/a7a7ee6f5a019ad72852c001abbce50d35e992f2