CVE-2026-68172

In CVE-2026-68172, the Linux kernel arm64 path huge_ptep_get could mis-handle an unaligned virtual address pointing into the middle of a contpmd/contpte hugetlb folio. The arm64 helper rewalks pgtables to classify the huge PTE as CONT_PMDS or CONT_PTES, and, if the address isn’t aligned, could re...

EUVD-2026-55558

In the Linux kernel, the following vulnerability has been resolved: arm64: make hugeptepget handled unaligned addresses hugeptepget can be handed a virtual address pointing to the middle of a contpmd/contpte mapped hugetlb folio examples of callers are pagemaphugetlbrange, pagemappedinvma. The...

EUVD-2026-30022

In the Linux kernel, the following vulnerability has been resolved: arm64: contpte: fix setaccessflags no-op check for SMMU/ATS faults contpteptepsetaccessflags compared the gathered ptepget value against the requested entry to detect no-ops. ptepget ORs AF/dirty from all sub-PTEs in the CONT...

CVE-2026-43486

In the Linux kernel, the following vulnerability has been resolved: arm64: contpte: fix setaccessflags no-op check for SMMU/ATS faults contpteptepsetaccessflags compared the gathered ptepget value against the requested entry to detect no-ops. ptepget ORs AF/dirty from all sub-PTEs in the CONT...

UBUNTU-CVE-2026-43486

In the Linux kernel, the following vulnerability has been resolved: arm64: contpte: fix setaccessflags no-op check for SMMU/ATS faults contpteptepsetaccessflags compared the gathered ptepget value against the requested entry to detect no-ops. ptepget ORs AF/dirty from all sub-PTEs in the CONT...

CVE-2026-43486

CVE-2026-43486 – Linux kernel (arm64 contpte) details: The issue arises from contpte_ptep_set_access_flags() using a gathered ptep_get() to detect no-ops, which, in CONT ranges, can misreport a target as updated when a sibling sub-PTE still has PTE_RDONLY or lacks PTE_AF. This can trigger false n...

CVE-2026-43486

In the Linux kernel, the following vulnerability has been resolved: arm64: contpte: fix setaccessflags no-op check for SMMU/ATS faults contpteptepsetaccessflags compared the gathered ptepget value against the requested entry to detect no-ops. ptepget ORs AF/dirty from all sub-PTEs in the CONT...

CVE-2026-43486 arm64: contpte: fix set_access_flags() no-op check for SMMU/ATS faults

In the Linux kernel, the following vulnerability has been resolved: arm64: contpte: fix setaccessflags no-op check for SMMU/ATS faults contpteptepsetaccessflags compared the gathered ptepget value against the requested entry to detect no-ops. ptepget ORs AF/dirty from all sub-PTEs in the CONT...

Linux Distros Unpatched Vulnerability : CVE-2026-43486

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - arm64: contpte: fix setaccessflags no-op check for SMMU/ATS faults contpteptepsetaccessflags compared the gathered ptepget value against the requested entry to...

PT-2026-40693

In the Linux kernel, the following vulnerability has been resolved: arm64: contpte: fix set access flags no-op check for SMMU/ATS faults contpte ptep set access flags compared the gathered ptep get value against the requested entry to detect no-ops. ptep get ORs AF/dirty from all sub-PTEs in the...