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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().

Verknüpft mit AI von unstrukturierten Daten zu bestehenden CPE der NVD
This information is available to logged-in users.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
VendorLinux
≫
Product Linux
Default Statusunaffected
Version < 2a1f3663974162b8f1e098196f557cfc1d160138
Version 25ee01a2fca02dfb5a3ce316e77910c468108199
Status affected
Version < 09fc018f48871123ad5dbd7b03c956580232ed76
Version 25ee01a2fca02dfb5a3ce316e77910c468108199
Status affected
Version < b625883ccbcc2b57808db51d1375b1d7b9bcb3e5
Version 25ee01a2fca02dfb5a3ce316e77910c468108199
Status affected
Version < 45d19b4b6c2d422771c29b83462d84afcbb33f01
Version 25ee01a2fca02dfb5a3ce316e77910c468108199
Status affected
VendorLinux
≫
Product Linux
Default Statusaffected
Version 4.4
Status affected
Version < 4.4
Version 0
Status unaffected
Version <= 6.12.*
Version 6.12.43
Status unaffected
Version <= 6.15.*
Version 6.15.11
Status unaffected
Version <= 6.16.*
Version 6.16.2
Status unaffected
Version <= *
Version 6.17-rc2
Status unaffected
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.02% 0.046
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string