linux-cve-announce - CVE-2024-53132: drm/xe/oa: Fix "Missing outer runtime PM protection" warning

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Message-ID: <2024120450-CVE-2024-53132-2d51@gregkh>
Date: Wed,  4 Dec 2024 15:20:55 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: CVE-2024-53132: drm/xe/oa: Fix "Missing outer runtime PM protection" warning

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

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

drm/xe/oa: Fix "Missing outer runtime PM protection" warning

Fix the following drm_WARN:

[953.586396] xe 0000:00:02.0: [drm] Missing outer runtime PM protection
...
<4> [953.587090]  ? xe_pm_runtime_get_noresume+0x8d/0xa0 [xe]
<4> [953.587208]  guc_exec_queue_add_msg+0x28/0x130 [xe]
<4> [953.587319]  guc_exec_queue_fini+0x3a/0x40 [xe]
<4> [953.587425]  xe_exec_queue_destroy+0xb3/0xf0 [xe]
<4> [953.587515]  xe_oa_release+0x9c/0xc0 [xe]

(cherry picked from commit b107c63d2953907908fd0cafb0e543b3c3167b75)

The Linux kernel CVE team has assigned CVE-2024-53132 to this issue.


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

	Issue introduced in 6.11 with commit e936f885f1e9 and fixed in 6.11.10 with commit ed7cd3510d8d
	Issue introduced in 6.11 with commit e936f885f1e9 and fixed in 6.12 with commit c0403e4ceeca

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-2024-53132
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/xe/xe_oa.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/ed7cd3510d8da6e3578d9125a9ea4440f8adeeaa
	https://git.kernel.org/stable/c/c0403e4ceecaefbeaf78263dffcd3e3f06a19f6b