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 result…
High CVSS 7.8
Summary
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 folio is added to swap cache after that. If another kind of race is triggered (folio changed after lookup) we may see RSS counter is corrupted: [ 406.893936] BUG: Bad rss-counter…
In-depth triage · Auto channel
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- :
Sources
- NVD DATABASE
Original Links
- https://git.kernel.org/stable/c/0ea148a799198518d8ebab63ddd0bb6114a103bc Patch
- https://git.kernel.org/stable/c/4c443046d8c9ed8724a4f4c3c2457d3ac8814b2f Patch
- https://git.kernel.org/stable/c/db2ca8074955ca64187a4fb596dd290b9c446cd3 Patch
Timeline
- nvd_ingest NVD