linux-cve-announce - CVE-2024-57973: rdma/cxgb4: Prevent potential integer overflow on 32bit

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Message-ID: <2025022632-CVE-2024-57973-8797@gregkh>
Date: Wed, 26 Feb 2025 18:05:32 -0800
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: CVE-2024-57973: rdma/cxgb4: Prevent potential integer overflow on 32bit

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

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

rdma/cxgb4: Prevent potential integer overflow on 32bit

The "gl->tot_len" variable is controlled by the user.  It comes from
process_responses().  On 32bit systems, the "gl->tot_len + sizeof(struct
cpl_pass_accept_req) + sizeof(struct rss_header)" addition could have an
integer wrapping bug.  Use size_add() to prevent this.

The Linux kernel CVE team has assigned CVE-2024-57973 to this issue.


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

	Issue introduced in 3.8 with commit 1cab775c3e75f1250c965feafd061d696df36e53 and fixed in 6.1.129 with commit 4422f452d028850b9cc4fd8f1cf45a8ff91855eb
	Issue introduced in 3.8 with commit 1cab775c3e75f1250c965feafd061d696df36e53 and fixed in 6.6.76 with commit de8d88b68d0cfd41152a7a63d6aec0ed3e1b837a
	Issue introduced in 3.8 with commit 1cab775c3e75f1250c965feafd061d696df36e53 and fixed in 6.12.13 with commit dd352107f22bfbecbbf3b74bde14f3f932296309
	Issue introduced in 3.8 with commit 1cab775c3e75f1250c965feafd061d696df36e53 and fixed in 6.13.2 with commit aeb814484387811b3579d5c78ad4eb301e3bf1c8
	Issue introduced in 3.8 with commit 1cab775c3e75f1250c965feafd061d696df36e53 and fixed in 6.14-rc1 with commit bd96a3935e89486304461a21752f824fc25e0f0b

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-2024-57973
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/infiniband/hw/cxgb4/device.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/4422f452d028850b9cc4fd8f1cf45a8ff91855eb
	https://git.kernel.org/stable/c/de8d88b68d0cfd41152a7a63d6aec0ed3e1b837a
	https://git.kernel.org/stable/c/dd352107f22bfbecbbf3b74bde14f3f932296309
	https://git.kernel.org/stable/c/aeb814484387811b3579d5c78ad4eb301e3bf1c8
	https://git.kernel.org/stable/c/bd96a3935e89486304461a21752f824fc25e0f0b