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CVE-2025-40191

Our Analysis: Embedded

Our model has classified this vulnerability as relevant to Embedded Systems, helping your team prioritize efforts effectively.

Published Date November 12, 2025
Last Modified November 14, 2025
CVSS Vector Not Available

Description

In the Linux kernel, the following vulnerability has been resolved:

drm/amdkfd: Fix kfd process ref leaking when userptr unmapping

kfd_lookup_process_by_pid hold the kfd process reference to ensure it
doesn't get destroyed while sending the segfault event to user space.

Calling kfd_lookup_process_by_pid as function parameter leaks the kfd
process refcount and miss the NULL pointer check if app process is
already destroyed.