Vulnerability in Kernel package: media: stk1160
Summary
GSD-2022-1001565: media: stk1160: If start stream fails, return buffers with VB2_BUF_STATE_QUEUED. Affects Kernel versions >= 8ac456495a33d9466076fea94594181ceefb76d9, < 2874122ca4ca74adec72d6d6bf8828228ec20f15. 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 core functionality and interfaces for various hardware devices and software components. The media subsystem within the Kernel package handles media-related operations, including video streaming. One of the drivers in this subsystem is stk1160, which is responsible for supporting certain USB video capture devices.
Vulnerability Detail
The stk1160 driver in the media subsystem of the Kernel package has a vulnerability that can lead to a denial-of-service (DoS) condition. When attempting to start a video stream, if the operation fails, the driver does not properly handle the associated buffers. Instead of returning them to the appropriate state, the driver leaves them in a queued state. This can result in resource exhaustion and potential system instability. The vulnerability was introduced in version v3.7 of the Linux Kernel and has been fixed in version v5.16.19.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
If updating the Kernel package is not immediately feasible, a possible workaround is to avoid using the affected stk1160 driver or the associated USB video capture devices. Disabling or removing the driver from the system can mitigate the risk of exploitation. However, this workaround may impact the functionality of devices relying on the stk1160 driver.
Conclusion
The vulnerability in the media: stk1160 driver of the Kernel package can result in a denial-of-service condition and system instability. It is crucial to update the Kernel package to version v5.16.19 or later to address this vulnerability. If immediate updating is not feasible, disabling or removing the affected driver can serve as a temporary workaround. For further support and assistance with vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can lead to a denial-of-service condition, potentially causing system instability and resource exhaustion.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground, and it will provide real-time alerts for open-source vulnerabilities, including this one.
At the time of this report, there is no known public exploit for this vulnerability. However, it is important to promptly apply the recommended fix to mitigate any potential risks.
Yes, you can disable or remove the affected stk1160 driver from your system as a temporary measure. However, this may impact the functionality of devices relying on the driver.
The primary solution is to update the Kernel package to the fixed version. However, if immediate updating is not possible, disabling or removing the affected driver can provide temporary mitigation.
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