CVE-2025-40006 | Linux Kernel up to 6.16.9 hugetlb folio_mapped reference count

October 20, 2025 Yanac

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.16.9. This issue affects the function folio_mapped of the component hugetlb. The manipulation results in improper update of reference count.

This vulnerability was named CVE-2025-40006. The attack needs to be approached within the local network. There is no available exploit.

You should upgrade the affected component.VulDB Recent EntriesRead More