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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
Diese Information steht angemeldeten Benutzern zur Verfügung.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt 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
HerstellerLinux
≫
Produkt 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
Typ Quelle Score Percentile
EPSS FIRST.org 0.02% 0.046
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String