extcon: Modify extcon device to be created after driver data is set
Summary
GSD-2022-1003470: extcon: Modify extcon device to be created after driver data is set. Affects Kernel versions < abf3b222614f49f98e606fccdd269161c0d70204. No fix is published. How to fix ↓
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Background
The extcon package is a component of the Linux Kernel that handles the management of external connectors, such as USB ports, HDMI ports, and headphone jacks. It provides a framework for detecting the connection and disconnection of these external devices and notifying the system. The extcon device is created during the initialization of the driver and is responsible for handling the events related to the external connectors. However, there is a vulnerability in the extcon package where the extcon device is created before the driver data is set, which can lead to potential security issues.
Vulnerability Detail
The vulnerability in the extcon package occurs when the extcon device is created before the driver data is set. This can allow an attacker to manipulate the driver data and potentially exploit the system. The impact and attack plausibility of this vulnerability have not been proven yet. It is fixed in Linux Kernel version v5.10.122 by commit abf3b222614f49f98e606fccdd269161c0d70204.
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.
Conclusion
The extcon package in the Linux Kernel is vulnerable to a security issue where the extcon device is created before the driver data is set. This vulnerability has been fixed in Linux Kernel version v5.10.122. It is recommended to update the kernel to the latest version to mitigate the risk. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The extcon package is a component of the Linux Kernel that handles the management of external connectors, such as USB ports, HDMI ports, and headphone jacks.
The impact of this vulnerability is not yet proven. It has the potential to allow an attacker to manipulate the driver data and potentially exploit the system.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.10.122 or later.
There are no specific workarounds mentioned for this vulnerability.
More information about this vulnerability can be found in the references link provided in the vulnerability details.
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