Kernel: Fix kernel panic during drive powercycle test
Summary
GSD-2021-1002411: scsi: mpt3sas: Fix kernel panic during drive powercycle test. Affects Kernel versions >= f92363d12359498f9a9960511de1a550f0ec41c2, < 0d4b29eaadc1f59cec0c7e85eae77d08fcca9824. 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 the core functionality and interfaces for various hardware and software components. It manages system resources, facilitates communication between hardware and software, and ensures the stability and security of the system. The vulnerability described here affects the Kernel's scsi subsystem, specifically the mpt3sas driver. This driver is responsible for managing SAS (Serial Attached SCSI) host bus adapters and devices. The vulnerability can lead to a kernel panic during a drive powercycle test, potentially causing system instability or crashes.
Vulnerability Detail
The vulnerability in the mpt3sas driver of the Kernel's scsi subsystem can trigger a kernel panic when performing a drive powercycle test. A kernel panic is a critical error that occurs when the kernel encounters an unrecoverable issue, forcing the system to halt. This vulnerability can be exploited by an attacker with local access to the system, potentially leading to denial-of-service (DoS) attacks or system crashes. The vulnerability was introduced in version v3.8 of the Linux Kernel and has been fixed in version v4.19.219.
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
The vulnerability in the mpt3sas driver of the Linux Kernel's scsi subsystem can lead to a kernel panic during a drive powercycle test, potentially causing system instability or crashes. It is crucial to update the Linux Kernel to version v4.19.219 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can lead to a kernel panic during a drive powercycle test, potentially causing system instability or crashes.
An attacker with local access to the system can exploit this vulnerability to trigger a kernel panic, leading to denial-of-service (DoS) attacks or system crashes.
The vulnerability was introduced in version v3.8 of the Linux Kernel.
Yes, the vulnerability has been fixed in version v4.19.219 of the Linux Kernel.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v4.19.219 or later. This can be done by downloading the latest stable version of the Kernel from the official repository or through the Linux distribution's package manager.
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