linux-cve-announce - CVE-2024-57916: misc: microchip: pci1xxxx: Resolve kernel panic during GPIO IRQ handling

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Message-ID: <2025011940-CVE-2024-57916-4116@gregkh>
Date: Sun, 19 Jan 2025 12:52:47 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: CVE-2024-57916: misc: microchip: pci1xxxx: Resolve kernel panic during GPIO IRQ handling

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

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

misc: microchip: pci1xxxx: Resolve kernel panic during GPIO IRQ handling

Resolve kernel panic caused by improper handling of IRQs while
accessing GPIO values. This is done by replacing generic_handle_irq with
handle_nested_irq.

The Linux kernel CVE team has assigned CVE-2024-57916 to this issue.


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

	Issue introduced in 6.1 with commit 1f4d8ae231f47c7d890198cd847055a96482a443 and fixed in 6.1.125 with commit 79aef6187e16b2d32307c8ff610e9e04f7f86e1f
	Issue introduced in 6.1 with commit 1f4d8ae231f47c7d890198cd847055a96482a443 and fixed in 6.6.72 with commit 25692750c0259c5b65afec467d97201a485e8a00
	Issue introduced in 6.1 with commit 1f4d8ae231f47c7d890198cd847055a96482a443 and fixed in 6.12.10 with commit 47d3749ec0cb56b7b98917c190a8c10cb54216fd
	Issue introduced in 6.1 with commit 1f4d8ae231f47c7d890198cd847055a96482a443 and fixed in 6.13-rc7 with commit 194f9f94a5169547d682e9bbcc5ae6d18a564735

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-2024-57916
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/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.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/79aef6187e16b2d32307c8ff610e9e04f7f86e1f
	https://git.kernel.org/stable/c/25692750c0259c5b65afec467d97201a485e8a00
	https://git.kernel.org/stable/c/47d3749ec0cb56b7b98917c190a8c10cb54216fd
	https://git.kernel.org/stable/c/194f9f94a5169547d682e9bbcc5ae6d18a564735