Use-after-free vulnerability in drm/amdgpu package
Summary
UVI-2021-1000701: drm/amdgpu: Fix a use-after-free. Affects Kernel versions < 0707c3fea8102d211631ba515ef2159707561b0d. 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 the display and graphics capabilities of AMD graphics cards. The package is widely used in Linux-based systems and is critical for proper functioning of AMD GPUs.
Vulnerability Detail
The use-after-free vulnerability in the drm/amdgpu package allows an attacker to exploit a freed memory region, leading to potential code execution or privilege escalation. This vulnerability occurs when the package fails to properly handle memory deallocation, allowing an attacker to manipulate the freed memory for malicious purposes. If successfully exploited, an attacker could gain unauthorized access to sensitive information or execute arbitrary code with elevated privileges.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is essential to apply the fix by updating the Linux Kernel to the patched version.
Conclusion
The use-after-free vulnerability in the drm/amdgpu package of the Linux Kernel can lead to unauthorized access to sensitive information or arbitrary code execution. It is crucial to update the Linux Kernel to version v4.4.271 or later to mitigate this vulnerability. No known workarounds exist, and it is recommended to apply the fix as soon as possible. For further support, contact DevNack.com.
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FAQ
If successfully exploited, this vulnerability can lead to unauthorized access to sensitive information or arbitrary code execution with elevated privileges.
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 alert you if the vulnerability is present.
There are no known instances of this vulnerability being exploited in the wild. However, it is crucial to apply the fix as soon as possible to mitigate the risk.
Yes, this vulnerability can be exploited remotely if the affected system is accessible over a network. It is recommended to update the Linux Kernel to the patched version to prevent remote exploitation.
For further support on vulnerability remediation, you can contact info@devnack.com. They can provide guidance and assistance in addressing this vulnerability.
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