Vulnerability in Kernel package: scsi: qedf: Add pointer checks in qedf_update_link_speed()
Summary
GSD-2021-1000500: scsi: qedf: Add pointer checks in qedf_update_link_speed(). Affects Kernel versions >= 61d8658b4a435eac729966cc94cdda077a8df5cd, < 11014efcec378bb0050a6cf08eaf375e3693400a. No fix is published. How to fix ↓
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Background
The Kernel package is a fundamental component of the Linux operating system. It provides the core functionality and interfaces for communication between hardware and software. The scsi subsystem within the Kernel package handles storage devices and their associated protocols. The qedf driver is responsible for managing Fibre Channel over Ethernet (FCoE) functionality. This vulnerability specifically affects the qedf_update_link_speed() function within the qedf driver.
Vulnerability Detail
The vulnerability in the qedf_update_link_speed() function arises from a lack of pointer checks. This can lead to a potential security vulnerability, although the exact impact and attack plausibility have not been proven. An attacker may be able to exploit this vulnerability to execute arbitrary code or cause a denial-of-service condition. The vulnerability was introduced in version v4.11 of the Linux Kernel and has been fixed in version v5.12.7.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been mentioned for this vulnerability.
Conclusion
In conclusion, the scsi: qedf: Add pointer checks in qedf_update_link_speed() vulnerability in the Kernel package poses a potential security risk. It is recommended to update the Linux Kernel to version v5.12.7 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is currently unknown, as the exact attack vectors and consequences have not been proven. However, it is advisable to apply the fix to prevent any potential security risks.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your manifest file (e.g., package-lock.json) to the playground, and it will analyze and alert you in real-time if any open-source vulnerabilities, including this one, are detected.
No specific workaround has been provided for this vulnerability. It is recommended to update the Linux Kernel package to the fixed version.
The exact attack vectors have not been proven, so it is unclear if this vulnerability can be exploited remotely. However, it is always best to apply security patches and updates to mitigate potential risks.
You can find more information about this vulnerability in the GSD-2021-1000500 entry of the GSD database maintained by the Cloud Security Alliance. The entry can be accessed at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1000xxx/GSD-2021-1000500.json.
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