Use-after-free vulnerability in drm/amdgpu package
Summary
GSD-2021-1000650: drm/amdgpu: Fix a use-after-free. Affects Kernel versions < a849e218556f932576c0fb1c5a88714b61709a17. 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 Radeon GPUs. It is responsible for managing the graphics hardware and enabling display functionality. The package is widely used in Linux-based systems that utilize AMD graphics cards. However, a use-after-free vulnerability has been discovered in the package, which can lead to potential security risks.
Vulnerability Detail
The use-after-free vulnerability in the drm/amdgpu package occurs when a memory location is accessed after it has been freed. This can result in the execution of arbitrary code or a system crash. Attackers may exploit this vulnerability to gain unauthorized access, escalate privileges, or cause denial-of-service attacks. The vulnerability was introduced in an unknown version and has been fixed in Linux Kernel version v4.19.193 by commit a849e218556f932576c0fb1c5a88714b61709a17.
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. However, users can mitigate the risk by keeping their systems up to date with the latest kernel updates and following best practices for system security.
Conclusion
The use-after-free vulnerability in the drm/amdgpu package can pose significant security risks to systems utilizing AMD Radeon GPUs. It is crucial to update the Linux Kernel to version v4.19.193 or later to fix this vulnerability. Regularly updating the kernel and following best practices for system security is essential to ensure the protection of your system. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The use-after-free vulnerability in the drm/amdgpu package can potentially allow attackers to execute arbitrary code, gain unauthorized access, escalate privileges, or cause denial-of-service attacks.
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 it will provide real-time alerts for open-source vulnerabilities.
Yes, the vulnerability has been fixed in Linux Kernel version v4.19.193 by commit a849e218556f932576c0fb1c5a88714b61709a17. It is recommended to update the kernel to this version or later.
Yes, this vulnerability can be exploited remotely if an attacker can gain access to the affected system.
There are no known instances of this vulnerability being exploited in the wild. However, it is important to apply the necessary updates to mitigate the risk.
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