Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: mm/hugetlb: fixed hugetlbpmdshared. The patch series “mm/hugetlb: fixes for PMD table sharing including using mmugather”, version 3. One functional fix, one performance regression fix, and two related comment fixes. I updated ...

CVE-2026-23100

The CVE-2026-23100 entry concerns the Linux kernel mm/hugetlb code and a fix for hugetlb_pmd_shared(). The vulnerability stemmed from how shared PMD tables were detected; the patch set switches to using an independent shared count and the ptdesc_pmd_is_shared() check, so that shared PMD tables ar...

Linux Distros Unpatched Vulnerability : CVE-2026-23100

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/hugetlb: fix hugetlbpmdshared Patch series mm/hugetlb: fixes for PMD table sharing incl. using mmugather, v3. One functional fix, one performance regression...

Unbreakable Enterprise kernel security update

5.4.17-2136.348.3 - hugetlbfs: take readlock on immap for PMD sharing Waiman Long Orabug: 38459576 - kallsyms: add modulekallsymsoneachsymbollocked Julian Pidancet Orabug: 37629344 Orabug: 38418686 - kallsyms: export modulekallsymsoneachsymbol Julian Pidancet Orabug: 37629344 Orabug: 38418686...

DEBIAN-CVE-2024-57883

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: independent PMD page table shared count The folio refcount may be increased unexpectly through trygetfolio by caller such as splithugepages. In hugepmdunshare, we use refcount to check whether a pmd page table is...