CVE-2026-89755: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mm/migratedevice: clear stale mapping after freeing swapcache migratedevicepages reads the folio mapping before calling foliofreeswap. When foliofreeswap succeeds, the folio is removed from the swap cache, but the saved mapping...

The vulnerability of the folio_migrate_mapping() function in the Linux kernel’s memory management subsystem allows a attacker to cause a service failure.

The vulnerability of the foliomigratemapping function in the mm/migrate.c module of the Linux kernel’s memory management subsystem is related to the repeated release of previously released memory. Exploiting this vulnerability could allow an attacker to cause a service failure...