kernel: x86/mm: Fix flush_tlb_range() when used for zapping normal PMDs

A flaw was found in the Linux kernel. A local user could cause a Denial of Service DoS by triggering improper cache invalidation during memory page table removal on x86 architectures. When collapsing certain memory mappings, the kernel fails to correctly invalidate Translation Lookaside Buffer TL...

SUSE CVE-2025-22045

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix flushtlbrange when used for zapping normal PMDs On the following path, flushtlbrange can be used for zapping normal PMD entries PMD entries that point to page tables together with the PTE entries in the pointed-to pag...