medium4.7
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 …
Impact
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().
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 4.4 before 6.12.43 from 6.13 before 6.15.11 from 6.16 before 6.16.2 Version 6.17 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/09fc018f48871123ad5dbd7b03c956580232ed76
- https://git.kernel.org/stable/c/2a1f3663974162b8f1e098196f557cfc1d160138
- https://git.kernel.org/stable/c/37ee0d97298b0547cb26b6957ccfea2d356bd0e7
- https://git.kernel.org/stable/c/45d19b4b6c2d422771c29b83462d84afcbb33f01
- https://git.kernel.org/stable/c/b625883ccbcc2b57808db51d1375b1d7b9bcb3e5
- https://git.kernel.org/stable/c/f76089018b34dbe0c2e9b67c5b7d8860668748bb