CVE-2025-39899: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mm/userfaultfd: fix kmaplocal LIFO ordering for CONFIGHIGHPTE With CONFIGHIGHPTE on 32-bit ARM, movepagespte maps PTE pages using kmaplocalpage, which requires unmapping in Last-In-First-Out order. The current code maps dstpte...