Vulnerability in drm/msm/hdmi package: check return value after calling platform_get_resource_byname()
Summary
GSD-2022-1003918: drm/msm/hdmi: check return value after calling platform_get_resource_byname(). Affects Kernel versions >= c6a57a50ad562a2e6fc6ac3218b710caea73a58b, < 0978fcce91b90b561b8c82e7c492ba9fc8440eef. No fix is published. How to fix ↓
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Background
The drm/msm/hdmi package is a component of the Linux Kernel, which is responsible for managing display and graphics functionality. It provides support for HDMI output on devices using Qualcomm MSM (Mobile Station Modem) chipsets. The package interacts with the hardware to configure and control HDMI output.
Vulnerability Detail
The vulnerability in the drm/msm/hdmi package arises from a failure to check the return value after calling the platform_get_resource_byname() function. This function is used to retrieve a specific resource by its name from the platform's resource list. By not verifying the return value, a potential issue can occur where the requested resource may not be available or accessible, leading to unexpected behavior or system instability. Attackers could potentially exploit this vulnerability to manipulate or disrupt the HDMI output functionality, resulting in visual anomalies or denial of service.
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. Users are advised to apply the recommended fix by updating the Linux Kernel to the patched version.
Conclusion
The vulnerability in the drm/msm/hdmi package can potentially lead to unexpected behavior or system instability in the HDMI output functionality of devices using the affected Linux Kernel. It is crucial to update the Kernel to the patched version to mitigate the vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
The vulnerability can potentially lead to unexpected behavior or system instability in the HDMI output functionality of devices using the affected Linux Kernel. Attackers may exploit this vulnerability to manipulate or disrupt the display output, causing visual anomalies or denial of service.
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There are no known instances of this vulnerability being actively exploited at the moment. However, it is crucial to apply the recommended fix to ensure the security and stability of your system.
No, the recommended fix for this vulnerability is to update the Linux Kernel to the patched version. Applying the update is necessary to address the underlying issue and ensure the security of the system.
For more details about this vulnerability, you can refer to the vulnerability database entry at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1003xxx/GSD-2022-1003918.json
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