Use-after-free vulnerability in drm/amdgpu package
Summary
GSD-2021-1000534: drm/amdgpu: Fix a use-after-free. Affects Kernel versions < d4ea141fd4b40636a8326df5a377d9c5cf9b3faa. 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 graphics hardware and enabling the display functionality. The package is widely used in Linux-based systems that utilize AMD graphics cards.
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 a system crash. This vulnerability occurs when the package improperly handles memory deallocation, allowing an attacker to manipulate the freed memory for malicious purposes. Successful exploitation of this vulnerability could result in privilege escalation or the execution of arbitrary code.
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 update the Linux Kernel to the fixed version to address the issue.
Conclusion
The use-after-free vulnerability in the drm/amdgpu package poses a significant risk to systems utilizing AMD GPUs. It is crucial to update the Linux Kernel to version v5.12.9 or later to mitigate this vulnerability. Failure to apply the fix could result in potential code execution, system crashes, or privilege escalation. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The use-after-free vulnerability in the drm/amdgpu package can potentially allow an attacker to execute arbitrary code or crash the system, leading to a denial of service or privilege escalation.
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, and Vulert will analyze it for any open-source vulnerabilities, including this use-after-free vulnerability.
The vulnerability was introduced in an earlier version of the Linux Kernel and is fixed in version v5.12.9. It is recommended to update to this version or a later one to ensure the vulnerability is patched.
There is no known exploit in the wild for this vulnerability at the time of this report. However, it is crucial to apply the fix promptly to mitigate the risk of potential exploitation.
You can find more information about this vulnerability in the Open Source Vulnerability Database (OSVDB) entry GSD-2021-1000534 at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1000xxx/GSD-2021-1000534.json
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