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CVE-2025-38686

In the Linux kernel, the following vulnerability has been resolved:

userfaultfd: fix a crash in UFFDIO_MOVE when PMD is a migration entry

When UFFDIO_MOVE encounters a migration PMD entry, it proceeds with
obtaining a folio and accessing it even though the entry is swp_entry_t. 
Add the missing check and let split_huge_pmd() handle migration entries. 
While at it also remove unnecessary folio check.

[surenb@google.com: remove extra folio check, per David]

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 < bb81c18dbd42650c844e160cafa7cbb20243a96a
Version adef440691bab824e39c1b17382322d195e1fab0
Status affected
Version < 1202abad7a7ccd28c426d2844771a387b07629a4
Version adef440691bab824e39c1b17382322d195e1fab0
Status affected
Version < 7f1101a0a181243ad587ececdffc4845f035549f
Version adef440691bab824e39c1b17382322d195e1fab0
Status affected
Version < aba6faec0103ed8f169be8dce2ead41fcb689446
Version adef440691bab824e39c1b17382322d195e1fab0
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 6.8
Status affected
Version < 6.8
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 0.03% 0.056
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String