CVE-2022-49991
mm/hugetlb: avoid corrupting page->mapping in hugetlb_mcopy_atomic_pte
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mm/hugetlb: avoid corrupting page->mapping in hugetlb_mcopy_atomic_pte
In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: avoid corrupting page->mapping in hugetlb_mcopy_atomic_pte In MCOPY_ATOMIC_CONTINUE case with a non-shared VMA, pages in the page cache are installed in the ptes. But hugepage_add_new_anon_rmap is called for them mistakenly because they're not vm_shared. This will corrupt the page->mapping used by page cache code.
Reserved 2025-06-18 | Published 2025-06-18 | Updated 2025-06-18 | Assigner Linuxgit.kernel.org/...c/da60ddd80d09f8371fbba1a238a4b318d13ba698
git.kernel.org/...c/3ada1b3e58db255a14ec73a59d7913e84dc5a8a4
git.kernel.org/...c/ab74ef708dc51df7cf2b8a890b9c6990fac5c0c6
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