Premature Hardware Access After PCI Error in scsi: qla2xxx
Summary
GSD-2022-1001124: scsi: qla2xxx: Fix premature hw access after PCI error. Affects Kernel versions < 6c125fd5ad035777f7b471553f7ddda76e8e7136. No fix is published. How to fix ↓
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Background
The scsi: qla2xxx package is a SCSI driver for QLogic Fibre Channel Host Bus Adapters (HBAs) on Linux systems. It provides support for connecting storage devices through Fibre Channel networks. The package is an integral part of the Linux Kernel and is responsible for handling communication between the operating system and the QLogic HBAs.
Vulnerability Detail
The vulnerability in scsi: qla2xxx involves premature hardware access after a PCI error. When a PCI error occurs, the driver attempts to access the hardware prematurely, leading to potential system instability and crashes. This vulnerability can be exploited by an attacker with local access to the system to cause a denial-of-service (DoS) condition or potentially execute arbitrary code with elevated privileges.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is essential to update the Linux Kernel to the fixed version to ensure the security and stability of the system.
Conclusion
The premature hardware access after a PCI error vulnerability in scsi: qla2xxx can lead to system instability, crashes, and potential unauthorized code execution. It is crucial to update the Linux Kernel to version v5.17.2 or later to mitigate this vulnerability. For further support on vulnerability remediation, contact DevNack.com.
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FAQ
scsi: qla2xxx is a SCSI driver for QLogic Fibre Channel Host Bus Adapters (HBAs) on Linux systems. It enables communication between the operating system and QLogic HBAs for connecting storage devices through Fibre Channel networks.
This vulnerability can be exploited by an attacker with local access to the system to cause a denial-of-service (DoS) condition or potentially execute arbitrary code with elevated privileges. It can lead to system instability and crashes.
To fix this vulnerability, update the Linux Kernel to version v5.17.2 or later. The fix was implemented in commit 6c125fd5ad035777f7b471553f7ddda76e8e7136 of the Linux Kernel. Obtain the updated Kernel from the official Linux Kernel repository and install it on the system.
No, there is no known workaround for this vulnerability. It is crucial to update the Linux Kernel to the fixed version to mitigate the vulnerability.
For more information about this vulnerability, refer to the vulnerability details in the Open Source Vulnerability format. The details can be found in the GSD-2022-1001124.json file available at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1001xxx/GSD-2022-1001124.json.
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