Description

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().

INFO

Published Date :

2025-09-11T16:52:24.763Z

Last Modified :

2025-09-29T05:58:44.690Z

Source :

Linux
AFFECTED PRODUCTS

The following products are affected by CVE-2025-39754 vulnerability.

Vendors Products
Linux
  • Linux Kernel

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