CVE-2025-38686 Affecting linux-virt-doc package, versions <6.12.44-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.03% (7th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-LINUXVIRTDOC-14114625
  • published26 Nov 2025
  • disclosed4 Sept 2025

Introduced: 4 Sep 2025

CVE-2025-38686  (opens in a new tab)

How to fix?

Upgrade Minimos:latest linux-virt-doc to version 6.12.44-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream linux-virt-doc package and not the linux-virt-doc package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

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]

CVSS Base Scores

version 3.1