Vulnerability in drm/amdkfd package: svm range restore work deadlock when process exit
Summary
GSD-2022-1001413: drm/amdkfd: svm range restore work deadlock when process exit. Affects Kernel versions < a6be83086e91891081e0589e4b4645bf4643e897. No fix is published. How to fix ↓
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Background
The drm/amdkfd package is a component of the Linux Kernel that provides support for AMD GPUs. It includes the necessary drivers and modules for managing graphics and compute operations on AMD GPUs. The package is responsible for handling memory management, scheduling, and synchronization between the CPU and GPU. This vulnerability specifically affects the svm range restore work functionality within the package.
Vulnerability Detail
The vulnerability in the drm/amdkfd package arises from a deadlock issue that occurs when a process exits. When a process utilizing svm range restore work terminates, it triggers a deadlock situation within the package. This deadlock can lead to system instability and potential denial-of-service (DoS) scenarios. The vulnerability has been identified and fixed in Linux Kernel version v5.16.20 by commit a6be83086e91891081e0589e4b4645bf4643e897.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been mentioned for this vulnerability.
Conclusion
In conclusion, the vulnerability in the drm/amdkfd package can result in system instability and potential denial-of-service (DoS) scenarios. It is crucial to update the Linux Kernel to version v5.16.20 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can lead to system instability and potential denial-of-service (DoS) scenarios.
No known exploit has been reported for this vulnerability at the moment.
Versions prior to v5.16.20 of the Linux Kernel are affected by this vulnerability.
The recommended mitigation is to update the Linux Kernel to version v5.16.20 or later.
More details about the fix can be found in the commit a6be83086e91891081e0589e4b4645bf4643e897 in the Linux Kernel repository.
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