linux-cve-announce - CVE-2023-53651: Input: exc3000

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Message-ID: <2025100719-CVE-2023-53651-c6c7@gregkh>
Date: Tue,  7 Oct 2025 17:19:56 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...nel.org>
Subject: CVE-2023-53651: Input: exc3000 - properly stop timer on shutdown

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

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

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

Input: exc3000 - properly stop timer on shutdown

We need to stop the timer on driver unbind or probe failures, otherwise
we get UAF/Oops.

The Linux kernel CVE team has assigned CVE-2023-53651 to this issue.


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

	Issue introduced in 4.15 with commit 7e577a17f2eefeef32f1106ebf91e7cd143ba654 and fixed in 6.1.20 with commit 526a177ac6353d65057eadb5d6edafc168f64484
	Issue introduced in 4.15 with commit 7e577a17f2eefeef32f1106ebf91e7cd143ba654 and fixed in 6.2.3 with commit bee57c20fc0ca5ef9b9a53a0335eab2ac9e9cae1
	Issue introduced in 4.15 with commit 7e577a17f2eefeef32f1106ebf91e7cd143ba654 and fixed in 6.3 with commit 79c81d137d36f9635bbcbc3916c0cccb418a61dd

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-2023-53651
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/input/touchscreen/exc3000.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/526a177ac6353d65057eadb5d6edafc168f64484
	https://git.kernel.org/stable/c/bee57c20fc0ca5ef9b9a53a0335eab2ac9e9cae1
	https://git.kernel.org/stable/c/79c81d137d36f9635bbcbc3916c0cccb418a61dd