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Message-ID: <2024111952-CVE-2024-50289-5a27@gregkh>
Date: Tue, 19 Nov 2024 02:32:44 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: CVE-2024-50289: media: av7110: fix a spectre vulnerability

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

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

media: av7110: fix a spectre vulnerability

As warned by smatch:
	drivers/staging/media/av7110/av7110_ca.c:270 dvb_ca_ioctl() warn: potential spectre issue 'av7110->ci_slot' [w] (local cap)

There is a spectre-related vulnerability at the code. Fix it.

The Linux kernel CVE team has assigned CVE-2024-50289 to this issue.


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

	Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 6.11.8 with commit f3927206c478
	Issue introduced in 2.6.12 with commit 1da177e4c3f4 and fixed in 6.12 with commit 458ea1c0be99

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-2024-50289
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/staging/media/av7110/av7110.h
	drivers/staging/media/av7110/av7110_ca.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/f3927206c478bd249c225414f7a751752a30e7b9
	https://git.kernel.org/stable/c/458ea1c0be991573ec436aa0afa23baacfae101a

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