Critical Soundwire Runtime Allocation Vulnerability in Linux Kernel Package
Summary
DEBIAN-CVE-2024-50105: In the Linux kernel, the following vulnerability has been resolved: ASoC: qcom: sc7280: Fix missing Soundwire runtime stream alloc Commit 15c7fab0e047 ("ASoC: qcom: Move Soundwire runtime stream alloc to soundcards") mov... Affects linux versions < 6.11.6-1. Fixed in 6.11.6-1. How to fix ↓
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Background
The Linux kernel is the core component of many operating systems, responsible for managing hardware and system resources. It provides essential services for all other parts of the operating system and is crucial for system stability and performance. The kernel supports various hardware architectures and is continuously updated to fix bugs, improve performance, and enhance security. This specific vulnerability affects the Soundwire functionality in Qualcomm's SC7280 sound card driver, which is part of the Linux kernel package.
Vulnerability Detail
In the Linux kernel, a vulnerability has been identified in the ASoC (ALSA System on Chip) subsystem related to the Qualcomm SC7280 sound card. The issue arose from a commit that moved the allocation of Soundwire stream runtime from the Qualcomm Soundwire driver to individual machine sound card drivers. However, the SC7280 card driver was not updated accordingly, leading to potential NULL pointer dereferences or uninitialized memory accesses during sound playback. This could result in system crashes or unpredictable behavior, particularly affecting audio playback functionality.
How To Fix
Minimum fixed version
6.11.6-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade linuxTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
Currently, there are no specific workarounds mentioned for this vulnerability. Users are advised to apply the patch as soon as it becomes available to mitigate the risk.
Conclusion
The identified vulnerability in the Linux kernel related to the Soundwire runtime allocation poses significant risks to system stability and audio functionality. It is crucial for users to update their systems to the patched version to mitigate these risks effectively. Utilizing tools like Vulert can help in monitoring and managing vulnerabilities in open-source software.
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FAQ
The vulnerability involves a missing Soundwire runtime stream allocation in the SC7280 sound card driver, which can lead to system crashes or audio playback issues.
You can use Vulert, which allows you to monitor and alert for open-source vulnerabilities in your software. Simply upload your manifest file like package-lock.json to check for vulnerabilities.
Failure to fix this vulnerability may result in system instability, crashes during audio playback, and potential exposure to further security risks.
Yes, updating to version 6.11.6-1 or later will resolve the vulnerability.
Detailed information can be found in the Debian CVE database or by visiting the Vulert website for real-time monitoring of vulnerabilities.
References
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