Vulnerability in Kernel package: scsi: sd: Fix potential NULL pointer dereference

Kernel Updated 02 Oct 2025

Summary

28/06/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1002629: scsi: sd: Fix potential NULL pointer dereference. Affects Kernel versions >= 89d9475610771b5e5fe1879075f0fc9ba6e3755f, < 3733439593ad12f7b54ae35c273ea6f15d692de3. No fix is published. How to fix ↓

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Background

The Kernel package is a crucial component of the Linux operating system. It provides the core functionality and acts as an interface between the hardware and software layers. The scsi: sd module within the Kernel package is responsible for handling SCSI disk devices. It allows for the communication and management of storage devices connected via the SCSI protocol. However, a vulnerability has been discovered in the scsi: sd module that could lead to a potential NULL pointer dereference.

Vulnerability Detail

The vulnerability in the scsi: sd module arises from a potential NULL pointer dereference. This means that under certain conditions, the module may attempt to access memory using a null pointer, leading to a system crash or potential code execution. The impact and attack plausibility of this vulnerability have not been proven yet. It is important to note that this vulnerability has been fixed in Linux Kernel version v5.18.4 by commit 3733439593ad12f7b54ae35c273ea6f15d692de3. However, it was introduced in version v4.10 by commit 89d9475610771b5e5fe1879075f0fc9ba6e3755f.

How To Fix

No fixed version is published for this vulnerability.

To fix this vulnerability, it is recommended to update the Kernel package to version v5.18.4 or later. This can be done by following the official update process for the Linux distribution being used. Alternatively, if compiling the Kernel from source, the fix can be applied by checking out the commit 3733439593ad12f7b54ae35c273ea6f15d692de3 and rebuilding the Kernel.

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Conclusion

The vulnerability in the scsi: sd module of the Kernel package has the potential to cause system crashes or enable code execution. It is crucial to update the Kernel package to version v5.18.4 or later to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.

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