Vulnerability in Kernel package: tty: goldfish: Fix free_irq() on remove
Summary
GSD-2022-1004652: tty: goldfish: Fix free_irq() on remove. Affects Kernel versions >= 465893e18878e119d8d0255439fad8debbd646fd, < 65ca4db68b6819244df9024aea4be55edf8af1ef. No fix is published. How to fix ↓
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Background
The Kernel package is an integral part of the Linux operating system, responsible for managing the system's core functions and providing an interface between hardware and software components. It includes various subsystems, including the tty subsystem, which handles terminal input and output. The goldfish driver is a specific driver within the tty subsystem that provides support for the Goldfish virtual device, commonly used in Android emulators.
The vulnerability identified in this package relates to the free_irq() function used during the removal of the goldfish driver. The function is not properly implemented, leading to potential security issues.
Vulnerability Detail
The vulnerability arises from an incorrect implementation of the free_irq() function in the goldfish driver within the tty subsystem of the Kernel package. When removing the driver, the function fails to properly release the interrupt request (IRQ) associated with the driver. This can result in resource leaks and potential security vulnerabilities.
The impact of this vulnerability is not yet proven, but it could potentially allow an attacker to exploit the system by manipulating the improperly released IRQ. The exact attack vectors and consequences are yet to be determined.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been provided for this vulnerability.
Conclusion
The vulnerability in the Kernel package's goldfish driver within the tty subsystem has been identified and fixed in version v5.10.124 of the Linux Kernel. It is crucial for users to update their Kernel package to this version or apply the specific commit (65ca4db68b6819244df9024aea4be55edf8af1ef) to mitigate any potential security risks. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The exact impact of this vulnerability is not yet proven, but it could potentially allow an attacker to exploit the system by manipulating the improperly released IRQ. The consequences could range from resource leaks to more severe security breaches.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file, and Vulert will analyze it in real-time to identify any open-source vulnerabilities, including this one.
At the time of this report, no known exploits have been identified for this vulnerability. However, it is important to promptly apply the recommended fix to mitigate any potential risks.
No specific temporary measures have been provided for this vulnerability. It is recommended to update to the fixed version of the Kernel package as soon as possible.
For more detailed information about this vulnerability, including its technical aspects and the specific commit that addresses it, you can refer to the vulnerability database entry at: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1004xxx/GSD-2022-1004652.json
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