Kernel: Fix kernel panic during drive powercycle test
Summary
GSD-2021-1002372: scsi: mpt3sas: Fix kernel panic during drive powercycle test. Affects Kernel versions >= f92363d12359498f9a9960511de1a550f0ec41c2, < 58ef2c7a6de13721865d84b80eecf56d6cba0937. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that manages system resources and facilitates communication between hardware and software. It provides essential functions for the proper functioning of the system. The mpt3sas driver is responsible for managing SAS (Serial Attached SCSI) host bus adapters. It allows communication between the operating system and SAS devices such as hard drives. 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, it triggers a kernel panic, causing the system to 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. The vulnerability was introduced in version v3.8 of the Linux Kernel and has been fixed in version v4.9.292.
How To Fix
No fixed version is published for this vulnerability.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v4.9.292 or later. This update includes the necessary patch to address the issue. Users can obtain the updated Kernel from the official Linux Kernel repository or through their distribution's package manager.
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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 can lead to a kernel panic and system crash during a drive powercycle test. It is recommended to update the Linux Kernel to version v4.9.292 or later to fix this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The vulnerability can lead to a kernel panic and system crash during a drive powercycle test, resulting in a denial-of-service (DoS) condition.
An attacker with local access to the system can exploit this vulnerability.
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 to the playground and it will alert you if the vulnerability is present.
Yes, the vulnerability has been fixed in Linux Kernel version v4.9.292. It is recommended to update to this version or later.
You can obtain the updated Linux Kernel from the official Linux Kernel repository or through your distribution's package manager.
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