In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: unshare page tables during VMA split, not before Currently, __split_vma() triggers hugetlb page table unsharing throu…
High CVSS 7.8
Summary
In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: unshare page tables during VMA split, not before Currently, __split_vma() triggers hugetlb page table unsharing through vm_ops->may_split(). This happens before the VMA lock and rmap locks are taken - which is too early, it allows racing VMA-locked page faults in our process and racing rmap walks from other processes to cause page tables to be shared again before we actually perform the split. Fix it by explicit…
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/081056dc00a27bccb55ccc3c6f230a3d5fd3f7e0 Patch
- https://git.kernel.org/stable/c/2511ac64bc1617ca716d3ba8464e481a647c1902 Patch
- https://git.kernel.org/stable/c/366298f2b04d2bf1f2f2b7078405bdf9df9bd5d0 Patch
- https://git.kernel.org/stable/c/8a21d5584826f4880f45bbf8f72375f4e6c0ff2a Patch
- https://git.kernel.org/stable/c/9cf5b2a3b72c23fb7b84736d5d19ee6ea718762b Patch
- https://git.kernel.org/stable/c/af6cfcd0efb7f051af221c418ec8b37a10211947 Patch
- https://git.kernel.org/stable/c/e8847d18cd9fff1edbb45e963d9141273c3b539c Patch
- https://project-zero.issues.chromium.org/issues/420715744 Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html Third Party Advisory
Timeline
- nvd_ingest NVD