linux-cve-announce - CVE-2022-50768: scsi: smartpqi: Correct device removal for multi-actuator devices

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Message-ID: <2025122457-CVE-2022-50768-2703@gregkh>
Date: Wed, 24 Dec 2025 14:06:19 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-cve-announce@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...nel.org>
Subject: CVE-2022-50768: scsi: smartpqi: Correct device removal for multi-actuator devices

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

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

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

scsi: smartpqi: Correct device removal for multi-actuator devices

Correct device count for multi-actuator drives which can cause kernel
panics.

The Linux kernel CVE team has assigned CVE-2022-50768 to this issue.


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

	Fixed in 6.0.16 with commit e8e9e0c28901d34beb193b5ece52eb7c656f4042
	Fixed in 6.1.2 with commit d1c8b86b4ab7e8588a8cfadbdd6f20adbb15c938
	Fixed in 6.2 with commit cc9befcbbb5ebce77726f938508700d913530035

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-2022-50768
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/scsi/smartpqi/smartpqi.h
	drivers/scsi/smartpqi/smartpqi_init.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/e8e9e0c28901d34beb193b5ece52eb7c656f4042
	https://git.kernel.org/stable/c/d1c8b86b4ab7e8588a8cfadbdd6f20adbb15c938
	https://git.kernel.org/stable/c/cc9befcbbb5ebce77726f938508700d913530035