In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race huge_pmd_unshare() drops a reference on a page table that may have previously…
High CVSS 7.8
Summary
In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race huge_pmd_unshare() drops a reference on a page table that may have previously been shared across processes, potentially turning it into a normal page table used in another process in which unrelated VMAs can afterwards be installed. If this happens in the middle of a concurrent gup_fast(), gup_fast() could end up walking the page tables of another process. While I don't se…
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/034a52b5ef57c9c8225d94e9067f3390bb33922f Patch
- https://git.kernel.org/stable/c/1013af4f585fccc4d3e5c5824d174de2257f7d6d Patch
- https://git.kernel.org/stable/c/952596b08c74e8fe9e2883d1dc8a8f54a37384ec Patch
- https://git.kernel.org/stable/c/a3d864c901a300c295692d129159fc3001a56185 Patch
- https://git.kernel.org/stable/c/a6bfeb97941a9187833b526bc6cc4ff5706d0ce9 Patch
- https://git.kernel.org/stable/c/b7754d3aa7bf9f62218d096c0c8f6c13698fac8b Patch
- https://git.kernel.org/stable/c/fe684290418ef9ef76630072086ee530b92f02b8 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