CVE-2025-38686
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2025
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
userfaultfd: fix a crash in UFFDIO_MOVE when PMD is a migration entry
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]
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| adef440691bab824e39c1b17382322d195e1fab0 | affected | git | bb81c18dbd42650c844e160cafa7cbb20243a96a | Unavailable | None listed |
| adef440691bab824e39c1b17382322d195e1fab0 | affected | git | 1202abad7a7ccd28c426d2844771a387b07629a4 | Unavailable | None listed |
| adef440691bab824e39c1b17382322d195e1fab0 | affected | git | 7f1101a0a181243ad587ececdffc4845f035549f | Unavailable | None listed |
| adef440691bab824e39c1b17382322d195e1fab0 | affected | git | aba6faec0103ed8f169be8dce2ead41fcb689446 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 6.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 6.8 | Unavailable | None listed |
| 6.12.43 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.15.11 | unaffected | semver | Unavailable | 6.15.* | None listed |
| 6.16.2 | unaffected | semver | Unavailable | 6.16.* | None listed |
| 6.17 | unaffected | original_commit_for_fix | Unavailable | * | None listed |