linux-cve-announce - CVE-2022-50664: media: dvb-frontends: fix leak of memory fw

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Message-ID: <2025120943-CVE-2022-50664-043a@gregkh>
Date: Tue,  9 Dec 2025 10:30:49 +0900
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...nel.org>
Subject: CVE-2022-50664: media: dvb-frontends: fix leak of memory fw

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

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

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

media: dvb-frontends: fix leak of memory fw

The Linux kernel CVE team has assigned CVE-2022-50664 to this issue.


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

	Fixed in 4.9.337 with commit afccb6ac63fc4328bc61ba086a3cad30054d87c1
	Fixed in 4.14.303 with commit a44828482bd5b11d728d7dac09b0d723aab9ff7b
	Fixed in 4.19.270 with commit b4d8fd008de1774d99a5b50acc03d92a1919c3a7
	Fixed in 5.4.229 with commit 438a4a8dece2abac099777a00db91784c0996cdc
	Fixed in 5.10.163 with commit b42580c8d8aac11a66046897979cc13cfd04c541
	Fixed in 5.15.86 with commit 438cd29fec3ea09769639f6032687e0c1434dbe0
	Fixed in 6.0.16 with commit 25cab05aa2df904ee1fea37d8dfa0d92c951bb4e
	Fixed in 6.1.2 with commit 669fb90507dbaf419aa3871bf73160e93d50487f
	Fixed in 6.2 with commit a15fe8d9f1bf460a804bcf18a890bfd2cf0d5caa

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-2022-50664
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/dvb-frontends/bcm3510.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/afccb6ac63fc4328bc61ba086a3cad30054d87c1
	https://git.kernel.org/stable/c/a44828482bd5b11d728d7dac09b0d723aab9ff7b
	https://git.kernel.org/stable/c/b4d8fd008de1774d99a5b50acc03d92a1919c3a7
	https://git.kernel.org/stable/c/438a4a8dece2abac099777a00db91784c0996cdc
	https://git.kernel.org/stable/c/b42580c8d8aac11a66046897979cc13cfd04c541
	https://git.kernel.org/stable/c/438cd29fec3ea09769639f6032687e0c1434dbe0
	https://git.kernel.org/stable/c/25cab05aa2df904ee1fea37d8dfa0d92c951bb4e
	https://git.kernel.org/stable/c/669fb90507dbaf419aa3871bf73160e93d50487f
	https://git.kernel.org/stable/c/a15fe8d9f1bf460a804bcf18a890bfd2cf0d5caa