CVE-2024-27007

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: change srcfolio after ensuring it's unpinned in UFFDIOMOVE Commit d7a08838ab74 "mm: userfaultfd: fix unexpected change to srcfolio when UFFDIOMOVE fails" moved the srcfolio-mapping, index changing to after clearing t...

CVE-2024-27007 userfaultfd: change src_folio after ensuring it's unpinned in UFFDIO_MOVE

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: change srcfolio after ensuring it's unpinned in UFFDIOMOVE Commit d7a08838ab74 "mm: userfaultfd: fix unexpected change to srcfolio when UFFDIOMOVE fails" moved the srcfolio-mapping, index changing to after clearing t...

CVE-2024-27007

The CVE-2024-27007 issue affects the Linux kernel’s userfaultfd handling, specifically the UFFDIO_MOVE path. The root cause described across connected docs is a change to the src_folio (mapping/index) after clearing the page tables and ensuring it is not pinned, introduced by a commit intended to...

CVE-2024-27007 userfaultfd: change src_folio after ensuring it's unpinned in UFFDIO_MOVE

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: change srcfolio after ensuring it's unpinned in UFFDIOMOVE Commit d7a08838ab74 "mm: userfaultfd: fix unexpected change to srcfolio when UFFDIOMOVE fails" moved the srcfolio-mapping, index changing to after clearing t...