Double Free Vulnerability in drm/amd/display Package
Summary
GSD-2022-1001201: drm/amd/display: Fix double free during GPU reset on DC streams. Affects Kernel versions >= 6d63fcc2a334f7bd15e4e9b1db50a19335d2af4f, < bbfcdd6289ba6f00f0cd7d496946dce9f6c600ac. 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 provides the necessary drivers and interfaces for managing display streams on these GPUs. The package is an integral part of the Linux Kernel and is widely used in systems running AMD graphics hardware.
Vulnerability Detail
The vulnerability identified in the drm/amd/display package is a double free issue that occurs during a GPU reset on DC streams. This vulnerability can be exploited by an attacker to cause a denial-of-service condition or potentially execute arbitrary code. The vulnerability was introduced in version v5.17 of the Linux Kernel and was fixed in version v5.17.2 by commit bbfcdd6289ba6f00f0cd7d496946dce9f6c600ac. 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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Conclusion
The double free vulnerability in the drm/amd/display package of the Linux Kernel can lead to a denial-of-service condition or potential arbitrary code execution. It is crucial to update the Linux Kernel to version v5.17.2 or later to mitigate this vulnerability. Monitoring the official Linux Kernel security advisories and using tools like Vulert Playground can help ensure the ongoing security of systems using the affected package.
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FAQ
The impact of this vulnerability can range from a denial-of-service condition to potential arbitrary code execution. However, the actual impact and attack plausibility have not been proven yet.
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 any open-source vulnerabilities, including this one.
At the moment, there are no known workarounds for this vulnerability. It is recommended to update the Linux Kernel to the fixed version as soon as possible.
Yes, this vulnerability is specific to the drm/amd/display package, which is responsible for managing display streams on AMD graphics cards.
You can find more information about this vulnerability in the official Linux Kernel security advisories and the CVE database. Additionally, you can reach out to info@devnack.com for further support on vulnerability remediation.
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