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Vulnerability Details CVE-2025-39754

In the Linux kernel, the following vulnerability has been resolved: mm/smaps: fix race between smaps_hugetlb_range and migration smaps_hugetlb_range() handles the pte without holdling ptl, and may be concurrenct with migration, leaing to BUG_ON in pfn_swap_entry_to_page(). The race is as follows. smaps_hugetlb_range migrate_pages huge_ptep_get remove_migration_ptes folio_unlock pfn_swap_entry_folio BUG_ON To fix it, hold ptl lock in smaps_hugetlb_range().
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 6.3%
CVSS Severity
CVSS v3 Score 4.7
Products affected by CVE-2025-39754


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