CVE-2026-68172

CVE-2026-68172 affects the arm64 Linux kernel where huge_ptep_get may mis-handle unaligned addresses across contpmd/contpte hugetlb foliοs. The arm64 helper may misclassify the target as CONT_PTES instead of CONT_PMDS, potentially causing excess A/D state handling, dereferencing a garbage ptep, o...

CVE-2026-68163 mm/page_vma_mapped: fix device-private PMD handling

In the Linux kernel, the following vulnerability has been resolved: mm/pagevmamapped: fix device-private PMD handling Commit 65edfda6f3f2 "mm/rmap: extend rmap and migration support device-private entries" introduced the concept of device-private PMD entries, but did not correctly update the rmap...

EUVD-2026-55549

In the Linux kernel, the following vulnerability has been resolved: mm/pagevmamapped: fix device-private PMD handling Commit 65edfda6f3f2 "mm/rmap: extend rmap and migration support device-private entries" introduced the concept of device-private PMD entries, but did not correctly update the rmap...

CVE-2026-68163 mm/page_vma_mapped: fix device-private PMD handling

In the Linux kernel, the following vulnerability has been resolved: mm/pagevmamapped: fix device-private PMD handling Commit 65edfda6f3f2 "mm/rmap: extend rmap and migration support device-private entries" introduced the concept of device-private PMD entries, but did not correctly update the rmap...

CVE-2026-68163: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mm/pagevmamapped: fix device-private PMD handling Commit 65edfda6f3f2 "mm/rmap: extend rmap and migration support device-private entries" introduced the concept of device-private PMD entries, but did not correctly update the rmap...

PT-2026-69563

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the handling of device-private Page Middle Directory PMD entries within the reverse mapping rmap walk code. When the function page vma mapped walk encounters...

K000162766: Linux Kernel PowerPC64s PMD Migration Race Condition vulnerability CVE-2026-53108

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix unmap race with PMD migration entries The following race is possible with migration swap entries or device-private THP entries. e.g. when movepages is called on a PMD THP page, then...

CVE-2026-64302

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix freeing of PMD-sized vmemmap pages Commit bf9e4e30f353 "x86/mm: use pagetablefree", switched from freeing non-boot page tables through freepages to pagetablefree. However, the function is also called to free vmemmap...

UBUNTU-CVE-2026-64302

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix freeing of PMD-sized vmemmap pages Commit bf9e4e30f353 "x86/mm: use pagetablefree", switched from freeing non-boot page tables through freepages to pagetablefree. However, the function is also called to free vmemmap...

CVE-2026-64302 x86/mm: Fix freeing of PMD-sized vmemmap pages

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix freeing of PMD-sized vmemmap pages Commit bf9e4e30f353 "x86/mm: use pagetablefree", switched from freeing non-boot page tables through freepages to pagetablefree. However, the function is also called to free vmemmap...

PT-2026-64523

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the x86 memory management where PMD-sized vmemmap pages are not freed correctly. The pagetable free function is used to free vmemmap pages, but since these are not...

SUSE CVE-2026-63875

In the Linux kernel, the following vulnerability has been resolved: arm64: tlb: Flush walk cache when unsharing PMD tables When hugepmdunshare is called to unshare a PMD table, the tlbunsharepmdptdesc function sets tlb-unsharedtables=true but the aarch64 tlbflush only checked tlb-freedtables to...

SUSE CVE-2026-64129

In the Linux kernel, the following vulnerability has been resolved: mm/migratedevice: fix spinlock leak in migratevmainserthugepmdpage When checkstableaddressspace fails after the PMD spinlock has been acquired via pmdlock, the code jumps directly to the abort label, bypassing the spinunlock call...

SUSE CVE-2026-64181

In the Linux kernel, the following vulnerability has been resolved: mm: fix vmnormalpage to handle missing support for pmdspecial/pudspecial On x86 32-bit with THP enabled, zaphugepmd is seen to generate a "WARNING: mm/memory.c:735 at vmnormalpage+0x6a/0x7d", from the VMWARNONONCEiszeropfnpfn ||...

Linux Distros Unpatched Vulnerability : CVE-2026-63953

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: mm/migratedevice: fix pgtable leak in migratevmainserthugepmdpage When...

Linux Distros Unpatched Vulnerability : CVE-2026-63875

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: arm64: tlb: Flush walk cache when unsharing PMD tables When hugepmdunshare is called to...

CVE-2026-64181

In the Linux kernel, the following vulnerability has been resolved: mm: fix vmnormalpage to handle missing support for pmdspecial/pudspecial On x86 32-bit with THP enabled, zaphugepmd is seen to generate a "WARNING: mm/memory.c:735 at vmnormalpage+0x6a/0x7d", from the VMWARNONONCEiszeropfnpfn ||...

CVE-2026-64130

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: fix initialization of tags of the huge zero folio with initonfree GFPZEROTAGS semantics are currently a bit weird, but effectively this flag is only ever set alongside GFPZERO and GFPSKIPKASAN. If we run with...

CVE-2026-64181 mm: fix __vm_normal_page() to handle missing support for pmd_special()/pud_special()

In the Linux kernel, the following vulnerability has been resolved: mm: fix vmnormalpage to handle missing support for pmdspecial/pudspecial On x86 32-bit with THP enabled, zaphugepmd is seen to generate a "WARNING: mm/memory.c:735 at vmnormalpage+0x6a/0x7d", from the VMWARNONONCEiszeropfnpfn ||...

CVE-2026-64181

In the Linux kernel, the following vulnerability has been resolved: mm: fix vmnormalpage to handle missing support for pmdspecial/pudspecial On x86 32-bit with THP enabled, zaphugepmd is seen to generate a "WARNING: mm/memory.c:735 at vmnormalpage+0x6a/0x7d", from the VMWARNONONCEiszeropfnpfn ||...