Vulnerability in Kernel: scsi: lpfc: Fix list_add() corruption in lpfc_drain_txq()
Summary
GSD-2021-1002301: scsi: lpfc: Fix list_add() corruption in lpfc_drain_txq(). Affects Kernel versions < c097bd5a59162156d9c2077a2f58732ffbaa9fca. 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 acts as an interface between hardware and software. It includes various subsystems, such as the scsi (Small Computer System Interface) subsystem, which handles communication with SCSI devices. One of the drivers in the scsi subsystem is lpfc, which is responsible for managing Fibre Channel storage devices. The lpfc_drain_txq() function in the lpfc driver is vulnerable to list_add() corruption, which can lead to potential security issues.
Vulnerability Detail
The vulnerability in the lpfc_drain_txq() function of the lpfc driver arises from a list_add() corruption. This corruption can be exploited by an attacker to potentially manipulate the linked list structure, leading to various security risks. The exact impact and attack plausibility of this vulnerability have not been proven yet. However, it is important to address this issue to prevent any potential security breaches.
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 approach is to update the Kernel to the fixed version.
Conclusion
The vulnerability in the lpfc_drain_txq() function of the lpfc driver can be addressed by updating the Linux Kernel to version v5.10.82 or later. This will ensure that the list_add() corruption is fixed, mitigating potential security risks. 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 core functionality and acts as an interface between hardware and software.
The scsi (Small Computer System Interface) subsystem is responsible for handling communication with SCSI devices, such as storage devices.
The lpfc driver is a component of the scsi subsystem that manages Fibre Channel storage devices.
List_add() corruption refers to a vulnerability where the linked list structure is manipulated or corrupted, potentially leading to security issues.
To fix this vulnerability, update the Linux Kernel to version v5.10.82 or later, which includes the necessary fix for the lpfc_drain_txq() function.
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