Kernel - scsi: mpt3sas: Fix kernel panic during drive powercycle test
Summary
GSD-2021-1002471: scsi: mpt3sas: Fix kernel panic during drive powercycle test. Affects Kernel versions >= f92363d12359498f9a9960511de1a550f0ec41c2, < 2bf9c5a5039c8f4b037236aed505e6a25c1d5f7b. 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 essential functionality and acts as an interface between hardware and software. It manages system resources, facilitates communication between different software components, and ensures the overall stability and security of the system. The scsi subsystem is responsible for handling SCSI (Small Computer System Interface) devices, including storage devices like hard drives and tape drives. The mpt3sas driver is a SCSI host bus adapter driver for SAS (Serial Attached SCSI) controllers manufactured by Broadcom. It enables communication between the operating system and SAS devices connected to the controller. However, a vulnerability has been discovered in the mpt3sas driver that can lead to a kernel panic during a drive powercycle test.
Vulnerability Detail
The vulnerability in the mpt3sas driver occurs during a drive powercycle test. When this test is performed, the driver may encounter an error condition that triggers a kernel panic. A kernel panic is a critical error that causes the operating system to halt, resulting in a system crash. This vulnerability can be exploited by an attacker with local access to the system to cause a denial-of-service (DoS) condition. The impact of this vulnerability is limited to systems that use the mpt3sas driver and perform drive powercycle tests. It is important to note that the actual attack plausibility and impact have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability. The recommended solution is to update the Linux Kernel to the fixed version.
Conclusion
In conclusion, the mpt3sas driver in the Linux Kernel is vulnerable to a kernel panic during a drive powercycle test. This vulnerability can be fixed by updating the Linux Kernel to version v5.10.83 or later. It is important to regularly update the Kernel to ensure the latest security patches and bug fixes are applied. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel is a critical component of the Linux operating system that provides essential functionality and acts as an interface between hardware and software.
The scsi subsystem is responsible for handling SCSI (Small Computer System Interface) devices, including storage devices like hard drives and tape drives.
The mpt3sas driver is a SCSI host bus adapter driver for SAS (Serial Attached SCSI) controllers manufactured by Broadcom. It enables communication between the operating system and SAS devices connected to the controller.
A kernel panic is a critical error that causes the operating system to halt, resulting in a system crash.
This vulnerability can be exploited by an attacker with local access to the system to cause a denial-of-service (DoS) condition.
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