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Message-ID: <2025122451-CVE-2022-50750-5395@gregkh>
Date: Wed, 24 Dec 2025 14:06:01 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...nel.org>
Subject: CVE-2022-50750: drm/panel/panel-sitronix-st7701: Remove panel on DSI attach failure
From: Greg Kroah-Hartman <gregkh@...nel.org>
Description
===========
In the Linux kernel, the following vulnerability has been resolved:
drm/panel/panel-sitronix-st7701: Remove panel on DSI attach failure
In case mipi_dsi_attach() fails, call drm_panel_remove() to
avoid memory leak.
The Linux kernel CVE team has assigned CVE-2022-50750 to this issue.
Affected and fixed versions
===========================
Issue introduced in 5.1 with commit 849b2e3ff9698226ab91e034d52cbb1da92a5b4c and fixed in 5.4.229 with commit 0b7c47b7f358f932159a9d5beec9616ef8a0c6b4
Issue introduced in 5.1 with commit 849b2e3ff9698226ab91e034d52cbb1da92a5b4c and fixed in 5.10.163 with commit 576828e59a0e03bbc763872912b04f3e3a1b3311
Issue introduced in 5.1 with commit 849b2e3ff9698226ab91e034d52cbb1da92a5b4c and fixed in 5.15.86 with commit 13fc167e1645c43c631d7752d98e377f0e4cbb15
Issue introduced in 5.1 with commit 849b2e3ff9698226ab91e034d52cbb1da92a5b4c and fixed in 6.0.16 with commit 23fddf78eac8d79c56f93ab69b6c47a0816967c9
Issue introduced in 5.1 with commit 849b2e3ff9698226ab91e034d52cbb1da92a5b4c and fixed in 6.1.2 with commit 465611e812587e72bf235034edce0e51be3d6809
Issue introduced in 5.1 with commit 849b2e3ff9698226ab91e034d52cbb1da92a5b4c and fixed in 6.2 with commit c62102165dd79284d42383d2f7ed17301bd8e629
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-2022-50750
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/panel/panel-sitronix-st7701.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/0b7c47b7f358f932159a9d5beec9616ef8a0c6b4
https://git.kernel.org/stable/c/576828e59a0e03bbc763872912b04f3e3a1b3311
https://git.kernel.org/stable/c/13fc167e1645c43c631d7752d98e377f0e4cbb15
https://git.kernel.org/stable/c/23fddf78eac8d79c56f93ab69b6c47a0816967c9
https://git.kernel.org/stable/c/465611e812587e72bf235034edce0e51be3d6809
https://git.kernel.org/stable/c/c62102165dd79284d42383d2f7ed17301bd8e629
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