CVE-2026-74632

CVE-2026-74632 is a race condition in the Linux kernel mm/huge_memory subsystem affecting the reference-counted huge_zero_folio implementation. The shrinker (shrink_huge_zero_folio_scan()) can overwrite huge_zero_pfn with the ~0UL sentinel value after a concurrent get_huge_zero_folio() has alread...

PT-2026-79637

In the Linux kernel, the following vulnerability has been resolved: mm/huge memory: fix huge zero pfn race Patch series "mm/huge memory: fix huge zero pfn race", v2. There is a subtle race in the reference-counted huge zero folio implementation. The fast path atomic logic fails to account for the...

Linux Distros Unpatched Vulnerability : CVE-2026-72180

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/hugememory: preserve pmdswpuffdwp on device-private PMD downgrade changenonpresenthugepmd rewrites a writable device-private PMD swap entry into a readable o...

SUSE CVE-2026-74482

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: unlock immaprwsem before releasing after-split folios foliosplit keeps dereferencing the mapping after the split: shmemunchargemapping-host and remappage while the folios are still frozen/locked, and...

CVE-2026-74482

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: unlock immaprwsem before releasing after-split folios foliosplit keeps dereferencing the mapping after the split: shmemunchargemapping-host and remappage while the folios are still frozen/locked, and...

CVE-2026-74482 mm/huge_memory: unlock i_mmap_rwsem before releasing after-split folios

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: unlock immaprwsem before releasing after-split folios foliosplit keeps dereferencing the mapping after the split: shmemunchargemapping-host and remappage while the folios are still frozen/locked, and...

EUVD-2026-59675

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: unlock immaprwsem before releasing after-split folios foliosplit keeps dereferencing the mapping after the split: shmemunchargemapping-host and remappage while the folios are still frozen/locked, and...

CVE-2026-74482

CVE-2026-74482 — Linux kernel (mm/huge_memory) . The issue arises during THP folio splitting in mm/huge_memory.c: __folio_split dereferences the mapping after the split while folios are still frozen/locked, and calls remap_page() and shmem_uncharge() before unlocking the after-split folios. This ...

UBUNTU-CVE-2026-72180

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: preserve pmdswpuffdwp on device-private PMD downgrade changenonpresenthugepmd rewrites a writable device-private PMD swap entry into a readable one without carrying pmdswpuffdwp across. The PTE-level...

Linux Distros Unpatched Vulnerability : CVE-2026-74482

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/hugememory: unlock immaprwsem before releasing after-split folios foliosplit keeps dereferencing the mapping after the split: shmemunchargemapping-host and...

PT-2026-72368

In the Linux kernel, the following vulnerability has been resolved: mm/huge memory: preserve pmd swp uffd wp on device-private PMD downgrade change non present huge pmd rewrites a writable device-private PMD swap entry into a readable one without carrying pmd swp uffd wp across. The PTE-level...

UBUNTU-CVE-2026-68086

In the Linux kernel, the following vulnerability has been resolved: mm/khugepaged: write all dirty file folios when collapsing There is no upstream commit, as this code was removed by upstream commit 044925f9b565 "mm: fs: remove filemapnrthps functions and their users" As-is, khugepaged and...

CVE-2026-68086

In the Linux kernel, the following vulnerability has been resolved: mm/khugepaged: write all dirty file folios when collapsing There is no upstream commit, as this code was removed by upstream commit 044925f9b565 "mm: fs: remove filemapnrthps functions and their users" As-is, khugepaged and...

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-2026-68086 mm/khugepaged: write all dirty file folios when collapsing

In the Linux kernel, the following vulnerability has been resolved: mm/khugepaged: write all dirty file folios when collapsing There is no upstream commit, as this code was removed by upstream commit 044925f9b565 "mm: fs: remove filemapnrthps functions and their users" As-is, khugepaged and...

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 ||...

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-2026-64181

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...

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...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...