Compliance Impact

The vulnerability described is a memory leak in the Linux kernel's drm/vc4 component. There is no information provided about any impact on data confidentiality, integrity, or availability that would relate to compliance with standards such as GDPR or HIPAA.

Since the vulnerability involves a memory leak without further details on data exposure or unauthorized access, it does not directly indicate an effect on compliance with common standards and regulations.

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Executive Summary

This vulnerability exists in the Linux kernel's drm/vc4 component. Specifically, when the function vc4_save_hang_state() encounters an early return condition, it fails to free previously allocated memory called kernel_state. This results in a memory leak.

The fix involved adding the missing kfree() calls by consolidating the early return paths into a single place to ensure the allocated memory is properly freed.

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Impact Analysis

The vulnerability causes a memory leak in the Linux kernel when certain error conditions occur in the drm/vc4 driver. Over time, this could lead to increased memory usage, potentially degrading system performance or causing instability if the leaked memory accumulates.

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Mitigation Strategies

To mitigate this vulnerability, update the Linux kernel to a version where the drm/vc4 memory leak issue in the hang state error path has been fixed.

This fix involves adding missing kfree() calls to properly free allocated kernel memory in the vc4_save_hang_state() function.

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