Vulnerability in Kernel Package: media: atomisp: fix dummy_ptr check to avoid duplicate active_bo
Summary
GSD-2022-1001461: media: atomisp: fix dummy_ptr check to avoid duplicate active_bo. Affects Kernel versions < edaa87390aab4d9452730540243c2f0ef06d5fc9. No fix is published. How to fix ↓
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Background
The Kernel package is a fundamental component of the Linux operating system, responsible for managing the system's core functionality. It provides essential services such as device drivers, memory management, and process scheduling. The media subsystem within the Kernel package handles various media-related operations, including video and audio processing. However, a vulnerability has been identified in the media: atomisp module, specifically in the dummy_ptr check, which can lead to the creation of duplicate active_bo objects.
Vulnerability Detail
The vulnerability arises due to an inadequate check in the dummy_ptr function within the media: atomisp module. This flaw allows for the creation of multiple active_bo objects, potentially leading to resource exhaustion or other memory-related issues. An attacker could exploit this vulnerability to cause a denial-of-service (DoS) condition or execute arbitrary code with elevated privileges. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can disable or unload the media: atomisp module if it is not required for their system's functionality. This can be achieved by executing the following command:
sudo modprobe -r atomisp
Conclusion
The vulnerability in the media: atomisp module of the Kernel package can lead to the creation of duplicate active_bo objects, potentially resulting in resource exhaustion or arbitrary code execution. It is crucial to update the Kernel package to version v5.16.19 or later to mitigate this vulnerability. Alternatively, users can employ the temporary workaround of disabling or unloading the media: atomisp module. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel package is a critical component of the Linux operating system, responsible for managing core system functionality.
The media: atomisp module is a part of the Kernel's media subsystem and handles media-related operations such as video and audio processing.
The impact of this vulnerability can range from resource exhaustion to arbitrary code execution with elevated privileges.
Updating the Linux Kernel package to version v5.16.19 or later resolves this vulnerability.
Yes, users can temporarily disable or unload the media: atomisp module if it is not required for their system's functionality.
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