linux-cve-announce - CVE-2024-49570: drm/xe/tracing: Fix a potential TP

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Message-ID: <2025022601-CVE-2024-49570-d2e7@gregkh>
Date: Wed, 26 Feb 2025 18:17:01 -0800
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: CVE-2024-49570: drm/xe/tracing: Fix a potential TP_printk UAF

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

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

drm/xe/tracing: Fix a potential TP_printk UAF

The commit
afd2627f727b ("tracing: Check "%s" dereference via the field and not the TP_printk format")
exposes potential UAFs in the xe_bo_move trace event.

Fix those by avoiding dereferencing the
xe_mem_type_to_name[] array at TP_printk time.

Since some code refactoring has taken place, explicit backporting may
be needed for kernels older than 6.10.

The Linux kernel CVE team has assigned CVE-2024-49570 to this issue.


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

	Issue introduced in 6.11 with commit e46d3f813abd2383881c66d21ba04cee9fbdf3a9 and fixed in 6.12.16 with commit 62cd174616ae3bf8a6cf468718f1ae74e5a07727
	Issue introduced in 6.11 with commit e46d3f813abd2383881c66d21ba04cee9fbdf3a9 and fixed in 6.13.4 with commit c9402da34611e1039ecccba3c1481c4866f7ca64
	Issue introduced in 6.11 with commit e46d3f813abd2383881c66d21ba04cee9fbdf3a9 and fixed in 6.14-rc1 with commit 07089083a526ea19daa72a1edf9d6e209615b77c

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-2024-49570
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_trace_bo.h


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/62cd174616ae3bf8a6cf468718f1ae74e5a07727
	https://git.kernel.org/stable/c/c9402da34611e1039ecccba3c1481c4866f7ca64
	https://git.kernel.org/stable/c/07089083a526ea19daa72a1edf9d6e209615b77c