CVE-2026-64181

In Linux kernel CVE-2026-64181, the issue on 32-bit x86 with THP enabled stems from __vm_normal_page failing to account for missing implementation of pmd_special()/pud_special(). This can cause warnings and later kernel state bugs (Bad rss-counter state, Bad page state) during memory reclaim when...

EUVD-2026-45866

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 ||...

EUVD-2026-45814

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...

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...

CVE-2026-63953

In the Linux kernel, the following vulnerability has been resolved: mm/migratedevice: fix pgtable leak in migratevmainserthugepmdpage When migratevmainserthugepmdpage jumps to unlockabort due to a PMD check failure, the pgtable allocated earlier via pteallocone is never freed, causing a memory...

CVE-2026-63953

CVE-2026-63953 concerns a Linux kernel memory-leak after migrate_vma_insert_huge_pmd_page() jumps to unlock_abort on PMD check failure. The pgtable allocated via pte_alloc_one() could remain unreleased in the error path, leading to a leak. The fix adds a free_abort path to release the pgtable whe...

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...

CVE-2026-63875

CVE-2026-63875 (arm64 Linux kernel) : The issue occurs during unsharing PMD tables in huge_pmd_unshare(), where tlb_unshare_pmd_ptdesc() sets tlb->unshared_tables=true but aarch64 tlb_flush() only checked tlb->freed_tables. This mismatch allowed stale PMD entries to remain in the walk cache...

PT-2026-61498

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the memory management system where vm normal page fails to handle missing support for pmd special and pud special. On x86 32-bit systems with Transparent Huge Pages TH...

PT-2026-61270

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the Linux kernel within the migrate vma insert huge pmd page function. When a PMD Page Middle Directory check fails and the process jumps to unlock abort, the pag...

CVE-2026-63875: Incomplete Cleanup

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...

Linux kernel Memory Management Buffer Overflow DoS

The vulnerability of the movenormalpmd and movenormalpud functions in the mm/mremap.c module of the Linux kernel’s memory management subsystem is related to state management errors. Exploiting this vulnerability could allow an attacker to compromise the accessibility of protected information...

SUSE CVE-2026-53108

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 there maybe an intermediate...

Linux Distros Unpatched Vulnerability : CVE-2026-53189

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/hugememory: update file PMD counter before folioput splithugepmdlocked updates the file/shmem RSS counter after dropping the PMD mapping's folio reference. I...

Linux Distros Unpatched Vulnerability : CVE-2026-53155

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/hugememory: use correct flags for device private PMD entry Commit 65edfda6f3f2 mm/rmap:...

SUSE CVE-2026-53189

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: update file PMD counter before folioput splithugepmdlocked updates the file/shmem RSS counter after dropping the PMD mapping's folio reference. If folioput drops the last reference, mmcounterfile can later read fre...

AZL-90707 CVE-2026-53189 affecting package kernel for versions less than 6.6.143.1-1

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: update file PMD counter before folioput splithugepmdlocked updates the file/shmem RSS counter after dropping the PMD mapping's folio reference. If folioput drops the last reference, mmcounterfile can later read fre...

CVE-2026-53155

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: use correct flags for device private PMD entry Commit 65edfda6f3f2 "mm/rmap: extend rmap and migration support device-private entries" updated setpmdmigrationentry to use pmdphugegetandclear in the softleaf case, b...

UBUNTU-CVE-2026-53155

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: use correct flags for device private PMD entry Commit 65edfda6f3f2 "mm/rmap: extend rmap and migration support device-private entries" updated setpmdmigrationentry to use pmdphugegetandclear in the softleaf case, b...