Fix gart.bo pin_count leak in drm/amdgpu

Kernel Updated 02 Oct 2025

Summary

19/10/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1001576: drm/amdgpu: fix gart.bo pin_count leak. Affects Kernel versions < 83d857d6b0967b6709cd38750c3ce2ed8ced1a95. 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 includes the necessary drivers and functionality to enable graphics acceleration and other GPU-related tasks on AMD hardware. The gart.bo pin_count leak vulnerability affects this package and can potentially lead to security issues.

Vulnerability Detail

The gart.bo pin_count leak vulnerability in drm/amdgpu allows for a pin_count leak in the gart.bo object. This can result in resource leaks and potential memory corruption. An attacker could potentially exploit this vulnerability to gain unauthorized access, execute arbitrary code, or cause a denial of service. The vulnerability has been fixed in Linux Kernel version v5.4.154 by commit 83d857d6b0967b6709cd38750c3ce2ed8ced1a95.

How To Fix

No fixed version is published for this vulnerability.

To fix the gart.bo pin_count leak vulnerability, it is recommended to update the Linux Kernel to version v5.4.154 or later. This can be done by pulling the latest updates from the official Linux Kernel repository using the following command:

$ git pull https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

After updating the kernel, rebuild and reinstall the updated version to ensure the fix is applied.

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Conclusion

The gart.bo pin_count leak vulnerability in drm/amdgpu has been fixed in Linux Kernel version v5.4.154. It is crucial to update the Linux Kernel to the fixed version to ensure the security and stability of the system. For further support on vulnerability remediation, you can reach out to DevNack.com.

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