linux-cve-announce - CVE-2024-56727: octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2

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Message-ID: <2024122924-CVE-2024-56727-41d8@gregkh>
Date: Sun, 29 Dec 2024 12:29:28 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: CVE-2024-56727: octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_flows.c

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

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

octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_flows.c

Adding error pointer check after calling otx2_mbox_get_rsp().

The Linux kernel CVE team has assigned CVE-2024-56727 to this issue.


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

	Issue introduced in 5.11 with commit f0a1913f8a6f947531c3042f9d6524946e661b57 and fixed in 6.1.120 with commit 8c9f8b35dc3d4ad8053a72bc0c5a7843591f6b75
	Issue introduced in 5.11 with commit f0a1913f8a6f947531c3042f9d6524946e661b57 and fixed in 6.6.64 with commit c4eae7bac880edd88aaed6a8ec2997fa85e259c7
	Issue introduced in 5.11 with commit f0a1913f8a6f947531c3042f9d6524946e661b57 and fixed in 6.11.11 with commit a479b3d7586e6f77f8337bbcac980eaf2d0a4029
	Issue introduced in 5.11 with commit f0a1913f8a6f947531c3042f9d6524946e661b57 and fixed in 6.12.2 with commit e5e60f17d2462ef5c13db4d1a54eef5778fd2295
	Issue introduced in 5.11 with commit f0a1913f8a6f947531c3042f9d6524946e661b57 and fixed in 6.13-rc1 with commit bd3110bc102ab6292656b8118be819faa0de8dd0

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-2024-56727
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/ethernet/marvell/octeontx2/nic/otx2_flows.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/8c9f8b35dc3d4ad8053a72bc0c5a7843591f6b75
	https://git.kernel.org/stable/c/c4eae7bac880edd88aaed6a8ec2997fa85e259c7
	https://git.kernel.org/stable/c/a479b3d7586e6f77f8337bbcac980eaf2d0a4029
	https://git.kernel.org/stable/c/e5e60f17d2462ef5c13db4d1a54eef5778fd2295
	https://git.kernel.org/stable/c/bd3110bc102ab6292656b8118be819faa0de8dd0