Wind River Support Network

Description

In the Linux kernel, the following vulnerability has been resolved:EOL][EOL]mm/hugetlb: avoid corrupting page->mapping in hugetlb_mcopy_atomic_pte[EOL][EOL]In MCOPY_ATOMIC_CONTINUE case with a non-shared VMA, pages in the page[EOL]cache are installed in the ptes.  But hugepage_add_new_anon_rmap is called[EOL]for them mistakenly because they're not vm_shared.  This will corrupt the[EOL]page->mapping used by page cache code.

CREATE(Triage):(User=lchen-cn) [CVE-2022-49991 (https://nvd.nist.gov/vuln/detail/CVE-2022-49991)