In the Linux kernel, the following vulnerability has been resolved: mm/gup: reject FOLL_SPLIT_PMD with hugetlb VMAs Patch series "mm: fixes for device-exclusive entries (hmm)", v2. Discussing the …
High CVSS 7.8
Summary
In the Linux kernel, the following vulnerability has been resolved: mm/gup: reject FOLL_SPLIT_PMD with hugetlb VMAs Patch series "mm: fixes for device-exclusive entries (hmm)", v2. Discussing the PageTail() call in make_device_exclusive_range() with Willy, I recently discovered [1] that device-exclusive handling does not properly work with THP, making the hmm-tests selftests fail if THPs are enabled on the system. Looking into more details, I found that hugetlb is not properly fenced, and I…
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/2e877ff3492267def06dd50cb165dc9ab8838e7d Patch
- https://git.kernel.org/stable/c/48d28417c66cce2f3b0ba773fcb6695a56eff220 Patch
- https://git.kernel.org/stable/c/8977752c8056a6a094a279004a49722da15bace3 Patch
- https://git.kernel.org/stable/c/fd900832e8440046627b60697687ab5d04398008 Patch
Timeline
- nvd_ingest NVD