Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mm/gup: rejects FOLLSPLITPMD with hugetlb VMAs. The patch series “mm: fixes for device-exclusive entries hmm”, version 2. While discussing the PageTail call in makedeviceexclusiverange, I recently discovered that device-exclusive...

CVE-2025-22034

In the Linux kernel, the following vulnerability has been resolved: mm/gup: reject FOLLSPLITPMD with hugetlb VMAs Patch series "mm: fixes for device-exclusive entries hmm", v2. Discussing the PageTail call in makedeviceexclusiverange with Willy, I recently discovered 1 that device-exclusive...

CVE-2025-22034

CVE-2025-22034 concerns the Linux kernel mm/gup path and the handling of FOLL_SPLIT_PMD with hugetlb VMAs. The connected documents indicate a patch series addressing device-exclusive entries (hmm) and that THP interaction was a motivating factor, with hugetlb fencing and mapcount interactions imp...