linux-cve-announce - CVE-2025-38200: i40e: fix MMIO write access to an invalid page in i40e_clear

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <2025070418-CVE-2025-38200-47d9@gregkh>
Date: Fri,  4 Jul 2025 15:37:29 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...nel.org>
Subject: CVE-2025-38200: i40e: fix MMIO write access to an invalid page in i40e_clear_hw

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

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

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

i40e: fix MMIO write access to an invalid page in i40e_clear_hw

When the device sends a specific input, an integer underflow can occur, leading
to MMIO write access to an invalid page.

Prevent the integer underflow by changing the type of related variables.

The Linux kernel CVE team has assigned CVE-2025-38200 to this issue.


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

	Fixed in 5.4.295 with commit 872607632c658d3739e4e7889e4f3c419ae2c193
	Fixed in 5.10.239 with commit 5e75c9082987479e647c75ec8fdf18fa68263c42
	Fixed in 5.15.186 with commit fecb2fc3fc10c95724407cc45ea35af4a65cdde2
	Fixed in 6.1.142 with commit d88a1e8f024ba26e19350958fecbf771a9960352
	Fixed in 6.6.95 with commit 8cde755f56163281ec2c46b4ae8b61f532758a6f
	Fixed in 6.12.35 with commit 3502dd42f178dae9d54696013386bb52b4f2e655
	Fixed in 6.15.4 with commit 2a1f4f2e36442a9bdf771acf6ee86f3cf876e5ca
	Fixed in 6.16-rc1 with commit 015bac5daca978448f2671478c553ce1f300c21e

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-2025-38200
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/intel/i40e/i40e_common.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/872607632c658d3739e4e7889e4f3c419ae2c193
	https://git.kernel.org/stable/c/5e75c9082987479e647c75ec8fdf18fa68263c42
	https://git.kernel.org/stable/c/fecb2fc3fc10c95724407cc45ea35af4a65cdde2
	https://git.kernel.org/stable/c/d88a1e8f024ba26e19350958fecbf771a9960352
	https://git.kernel.org/stable/c/8cde755f56163281ec2c46b4ae8b61f532758a6f
	https://git.kernel.org/stable/c/3502dd42f178dae9d54696013386bb52b4f2e655
	https://git.kernel.org/stable/c/2a1f4f2e36442a9bdf771acf6ee86f3cf876e5ca
	https://git.kernel.org/stable/c/015bac5daca978448f2671478c553ce1f300c21e