Use-After-Free Vulnerability in drm/amdgpu Package
Summary
GSD-2021-1000685: drm/amdgpu: Fix a use-after-free. Affects Kernel versions < 3293cf3513d69f00c14d43e2020826d45ea0e46a. No fix is published. How to fix ↓
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Background
The drm/amdgpu package is a component of the Linux Kernel that provides support for AMD GPUs. It is responsible for managing graphics and display functionality on systems using AMD graphics cards. The package interacts with the hardware and facilitates communication between the GPU and the operating system. However, a use-after-free vulnerability has been identified in the drm/amdgpu package, which could potentially lead to security breaches and system instability.
Vulnerability Detail
The use-after-free vulnerability in the drm/amdgpu package occurs when a program attempts to access memory that has already been freed. This can result in the execution of arbitrary code or a system crash. The vulnerability can be exploited by an attacker who gains control over a vulnerable system, allowing them to execute malicious code or escalate privileges. The impact of this vulnerability can range from information disclosure to remote code execution, depending on the attacker's capabilities and the system's configuration.
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.
Conclusion
The use-after-free vulnerability in the drm/amdgpu package poses a significant risk to systems using AMD GPUs. It is crucial to update the Linux Kernel to version v4.9.271 or later to mitigate this vulnerability. Failure to do so may result in security breaches, system crashes, or unauthorized code execution. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability can range from information disclosure to remote code execution, depending on the attacker's capabilities and the system's configuration.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your manifest file (e.g., package-lock.json) and Vulert will analyze it for any open-source vulnerabilities, including this one.
Yes, a patch is available in the Linux Kernel version v4.9.271. It is recommended to update to this version or a later one to fix the vulnerability.
Yes, this vulnerability can be exploited remotely if an attacker gains control over a vulnerable system.
There are no known instances of this vulnerability being exploited in the wild at the time of this report.
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