mm: userfaultfd: fix race of userfaultfd_move and swap cache
In the Linux kernel, the following vulnerability has been resolved: mm: userfaultfd: fix race of userfaultfd_move and swap cache This commit fixes two kinds of races, they may have different results: Barry reported a BUG_ON in commit c50f8e6053b0, we may see the same BUG_ON if the filemap lookup returned NULL and fo…
Severity high: primary CNA CVSS 7.8 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2025-07-09T10:42:25.396Z. Updated 2026-08-05T12:00:38.652Z.