CVE-2024-45024

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugetlb vs. core-mm PT locking We recently made GUP's common page table walking code to also walk hugetlb VMAs without most hugetlb special-casing, preparing for the future of having less hugetlb-specific page tab...

CVE-2024-45024

CVE-2024-45024 relates to a Linux kernel Hugetlb PT locking issue fixed by aligning huge page table locking with core-mm PT walkers. The root cause: during GUP’s shared page-table walking, hugetlb folios spanning multiple PTEs could be locked using PTE table locks (pte_offset_map_lock) while core...