linux-cve-announce - CVE-2024-53082: virtio_net: Add hash_key

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Message-ID: <2024111904-CVE-2024-53082-30c0@gregkh>
Date: Tue, 19 Nov 2024 18:45:02 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: CVE-2024-53082: virtio_net: Add hash_key_length check

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

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

virtio_net: Add hash_key_length check

Add hash_key_length check in virtnet_probe() to avoid possible out of
bound errors when setting/reading the hash key.

The Linux kernel CVE team has assigned CVE-2024-53082 to this issue.


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

	Issue introduced in 5.18 with commit c7114b1249fa and fixed in 6.1.117 with commit f3401e3c8d33
	Issue introduced in 5.18 with commit c7114b1249fa and fixed in 6.6.61 with commit af0aa8aecbe8
	Issue introduced in 5.18 with commit c7114b1249fa and fixed in 6.11.8 with commit 6a18a783b1fa
	Issue introduced in 5.18 with commit c7114b1249fa and fixed in 6.12 with commit 3f7d9c1964fc

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-2024-53082
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/net/virtio_net.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/f3401e3c8d339ddb6ccb2e3d11ad634b7846a806
	https://git.kernel.org/stable/c/af0aa8aecbe8985079232902894cc4cb62795691
	https://git.kernel.org/stable/c/6a18a783b1fa590ad1ed785907263e4b86adcfe2
	https://git.kernel.org/stable/c/3f7d9c1964fcd16d02a8a9d4fd6f6cb60c4cc530