Vulnerability in drm/amd/display: Update watermark values for DCN301
Summary
GSD-2022-1000658: drm/amd/display: Update watermark values for DCN301. Affects Kernel versions < bd6e1b930e12dd8f5d1d84f4d9729c2cce441ebb. No fix is published. How to fix ↓
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Background
The drm/amd/display package is a component of the Linux Kernel that handles display functionality for AMD graphics cards. It is responsible for managing various aspects of the display pipeline, including setting up watermarks. Watermarks are used to control the amount of data that can be transferred between different display components. The DCN301 is a specific hardware module used in AMD graphics cards. This vulnerability affects the watermark values used by the DCN301 module, potentially leading to security issues.
Vulnerability Detail
The vulnerability in drm/amd/display arises from outdated watermark values for the DCN301 module. This can result in improper data transfer between display components, potentially leading to security vulnerabilities. The impact and attack plausibility of this vulnerability have not been proven yet. It is fixed in Linux Kernel version v5.16.8 by commit bd6e1b930e12dd8f5d1d84f4d9729c2cce441ebb.
How To Fix
No fixed version is published for this vulnerability.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.16.8 or later. This can be done by following the official update process for the Linux distribution in use. Alternatively, users can apply the specific commit bd6e1b930e12dd8f5d1d84f4d9729c2cce441ebb manually to their Kernel source code and rebuild the Kernel.
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Conclusion
The vulnerability in drm/amd/display related to outdated watermark values for the DCN301 module can potentially introduce security vulnerabilities in the display functionality of AMD graphics cards. It is recommended to update the Linux Kernel to version v5.16.8 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is not yet proven. However, it has the potential to introduce security vulnerabilities in the display functionality of AMD graphics cards.
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 it will provide real-time alerts for open-source vulnerabilities.
No specific workaround has been provided for this vulnerability. It is recommended to update the Linux Kernel to the fixed version.
The remote exploitability of this vulnerability has not been determined yet. Further analysis is required to assess the potential for remote exploitation.
You can find more information about this vulnerability in the GSD-2022-1000658.json file available in the GSD database (https://github.com/cloudsecurityalliance/gsd-database).
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