CVE-2024-41055

In the Linux kernel, the following vulnerability has been resolved: mm: prevent derefencing NULL ptr in pfn_section_valid() Commit 5ec8e8ea8b77 ("mm/sparsemem: fix race in accessingmemory_section->usage") changed pfn_section_valid() to add a READ_ONCE()call around "ms->usage" to fix a race wi...