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Message-ID: <2024102230-CVE-2023-52918-cf21@gregkh>
Date: Tue, 22 Oct 2024 09:37:31 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: CVE-2023-52918: media: pci: cx23885: check cx23885_vdev_init() return
Description
===========
In the Linux kernel, the following vulnerability has been resolved:
media: pci: cx23885: check cx23885_vdev_init() return
cx23885_vdev_init() can return a NULL pointer, but that pointer
is used in the next line without a check.
Add a NULL pointer check and go to the error unwind if it is NULL.
The Linux kernel CVE team has assigned CVE-2023-52918 to this issue.
Affected and fixed versions
===========================
Fixed in 4.19.321 with commit 8e31b096e2e1
Fixed in 5.4.283 with commit 199a42fc4c45
Fixed in 5.10.225 with commit e7385510e255
Fixed in 5.15.166 with commit a5f1d30c51c4
Fixed in 6.1.107 with commit 06ee04a907d6
Fixed in 6.6.48 with commit b1397fb4a779
Fixed in 6.9 with commit 15126b916e39
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-2023-52918
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/media/pci/cx23885/cx23885-video.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/8e31b096e2e1949bc8f0be019c9ae70d414404c6
https://git.kernel.org/stable/c/199a42fc4c45e8b7f19efeb15dbc36889a599ac2
https://git.kernel.org/stable/c/e7385510e2550a9f8b6f3d5f33c5b894ab9ba976
https://git.kernel.org/stable/c/a5f1d30c51c485cec7a7de60205667c3ff86c303
https://git.kernel.org/stable/c/06ee04a907d64ee3910fecedd05d7f1be4b1b70e
https://git.kernel.org/stable/c/b1397fb4a779fca560c43d2acf6702d41b4a495b
https://git.kernel.org/stable/c/15126b916e39b0cb67026b0af3c014bfeb1f76b3
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