Use-After-Free Vulnerability in Linux Kernel Page Pool by Google

CVE-2025-38129

What is CVE-2025-38129?

This vulnerability exists in the Linux kernel's page pool implementation, where a use-after-free condition can be triggered during the recycling of pages. Specifically, the issue arises in the page_pool_recycle_in_ring function, where improper handling of locking mechanisms allows the release and freeing of memory while it is still in use. This could potentially allow for memory corruption or the execution of unexpected code by manipulating the page pool, impacting the stability and security of the system.

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