linux-cve-announce - CVE-2023-53677: drm/i915: Fix memory leaks in i915 selftests

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Message-ID: <2025100707-CVE-2023-53677-1cc8@gregkh>
Date: Tue,  7 Oct 2025 17:21:36 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...nel.org>
Subject: CVE-2023-53677: drm/i915: Fix memory leaks in i915 selftests

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

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

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

drm/i915: Fix memory leaks in i915 selftests

This patch fixes memory leaks on error escapes in function fake_get_pages

(cherry picked from commit 8bfbdadce85c4c51689da10f39c805a7106d4567)

The Linux kernel CVE team has assigned CVE-2023-53677 to this issue.


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

	Issue introduced in 6.3 with commit c3bfba9a222550406082c92bbabc9c8b1355d8b8 and fixed in 6.3.2 with commit 596d7308e189a3230bf33d667b64acc73846c2d0
	Issue introduced in 6.3 with commit c3bfba9a222550406082c92bbabc9c8b1355d8b8 and fixed in 6.4 with commit 803033c148f754f32da1b93926c49c22731ec485

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-2023-53677
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/i915/selftests/i915_gem_gtt.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/596d7308e189a3230bf33d667b64acc73846c2d0
	https://git.kernel.org/stable/c/803033c148f754f32da1b93926c49c22731ec485