linux-cve-announce - CVE-2023-53370: drm/amdgpu: fix memory leak in mes self test

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Message-ID: <2025091855-CVE-2023-53370-1085@gregkh>
Date: Thu, 18 Sep 2025 15:34:15 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...nel.org>
Subject: CVE-2023-53370: drm/amdgpu: fix memory leak in mes self test

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

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

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

drm/amdgpu: fix memory leak in mes self test

The fences associated with mes queue have to be freed
up during amdgpu_ring_fini.

The Linux kernel CVE team has assigned CVE-2023-53370 to this issue.


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

	Fixed in 6.1.47 with commit ce3288d8d654b252ba832626e7de481c195ef20a
	Fixed in 6.4.12 with commit 8d8c96efcec95736622381b2afc0fe9e317f88aa
	Fixed in 6.5 with commit 31d7c3a4fc3d312a0646990767647925d5bde540

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-2023-53370
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/gpu/drm/amd/amdgpu/amdgpu_ring.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/ce3288d8d654b252ba832626e7de481c195ef20a
	https://git.kernel.org/stable/c/8d8c96efcec95736622381b2afc0fe9e317f88aa
	https://git.kernel.org/stable/c/31d7c3a4fc3d312a0646990767647925d5bde540