Vulnerability in Kernel: scsi: pm8001: Fix abort all task initialization
Summary
GSD-2022-1002438: scsi: pm8001: Fix abort all task initialization. Affects Kernel versions >= c6b9ef5779c3e1edfa9de949d2a51252bc347663, < d6ec4471550cc53e96485a7124c5891e6a38d1c3. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that provides core functionality and interfaces with hardware devices. It manages system resources, facilitates communication between software and hardware, and enables the execution of programs. The scsi subsystem within the Kernel handles communication with SCSI (Small Computer System Interface) devices, such as hard drives and tape drives. One specific driver in the scsi subsystem is pm8001, which is responsible for managing SAS (Serial Attached SCSI) controllers based on the PM8001 chipset.
Vulnerability Detail
The vulnerability identified in the pm8001 driver relates to the initialization of abort all tasks. An attacker could potentially exploit this vulnerability to cause a denial-of-service (DoS) condition or execute arbitrary code with elevated privileges. The vulnerability was introduced in version v3.10 of the Linux Kernel by commit c6b9ef5779c3e1edfa9de949d2a51252bc347663 and has been fixed in version v4.14.276 by commit d6ec4471550cc53e96485a7124c5891e6a38d1c3.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can disable or unload the pm8001 driver if it is not essential for their system's operation. This can be done by executing the following commands as root:
modprobe -r pm8001
Conclusion
The vulnerability in the pm8001 driver of the Linux Kernel could potentially lead to a denial-of-service (DoS) condition or arbitrary code execution. It is crucial to update the Kernel to version v4.14.276 or later to mitigate this vulnerability. Alternatively, users can disable or unload the pm8001 driver as a temporary workaround. For further assistance or support in addressing this vulnerability, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The vulnerability could allow an attacker to cause a denial-of-service (DoS) condition or execute arbitrary code with elevated privileges.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file, and Vulert will analyze it for any open-source vulnerabilities, including this one.
At the time of this report, there is no known public exploit for this vulnerability. However, it is important to apply the fix as soon as possible to mitigate any potential risks.
As a temporary workaround, you can disable or unload the pm8001 driver if it is not essential for your system's operation. Please refer to the 'workaround' section for instructions on how to do this.
You can find more information about this vulnerability in the official Linux Kernel repository at https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/. Look for the commit with the ID 'd6ec4471550cc53e96485a7124c5891e6a38d1c3' for the fix.
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