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

The CVE-2025-22034 entry concerns the Linux kernel mm/gup path where FOLL_SPLIT_PMD can occur with hugetlb VMAs. The patch series mm: fixes for device-exclusive entries (hmm), v2, resolves this by rejecting FOLL_SPLIT_PMD for hugetlb VMAs during device-exclusive handling. This is aimed at correct...