CVE-2025-38686
04.09.2025, 16:15
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]Enginsight
| Vendor | Product | Version |
|---|---|---|
| linux | linux_kernel | 6.8 ≤ 𝑥 < 6.12.43 |
| linux | linux_kernel | 6.13 ≤ 𝑥 < 6.15.11 |
| linux | linux_kernel | 6.16 ≤ 𝑥 < 6.16.2 |
| linux | linux_kernel | 6.17:rc1 |
𝑥
= Vulnerable software versions
Debian Releases