CVE-2025-21984 | Linux Kernel up to 6.12.19/6.13.7 mm/rmap.c userfaultfd_move reference count (Nessus ID 241070 / WID-SEC-2025-0683)
A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 6.12.19/6.13.7. Affected by this issue is the function userfaultfd_move of the file mm/rmap.c. The manipulation leads to improper update of reference count.
This vulnerability is handled as CVE-2025-21984. The attack can only be done within the local network. There is no exploit available.
It is recommended to upgrade the affected component.