EUVD-2026-39280

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-2026-53189

CVE-2026-53189 affects the Linux kernel memory management for huge pages (mm/huge_memory). The vulnerability arises from the order of operations when splitting a huge PMD: the RSS/file counters are updated after releasing the folio reference, which can let freed folio state be observed by mm_coun...

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...

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...

CVE-2026-53189 mm/huge_memory: update file PMD counter before folio_put()

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...

EUVD-2026-39246

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...

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...

PT-2026-52285

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the split huge pmd locked function where the file or shmem Resident Set Size RSS counter is updated after the PMD mapping's folio reference is dropped. If the folio pu...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In mm: hugememory, there was a issue where the function mappinglargefoliosupport was misused for anonymous folios. When I conducted a split test involving large folios, a warning was triggered: “5059.122759T166 Cannot split file...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: Fixed the memory leak associated with xarray nodes. If the xassplitalloc function fails to allocate the necessary nodes to complete the splitting of the xarray entries, it sets the xastate to -ENOMEM. This triggers...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: The issue of using NULL for folio handling in movepageshugepmd has been fixed. movepageshugepmd handles UFFDIOMOVE operations for both normal THPs and huge zero pages. For the huge zero page, srcfolio is explicitly...

SUSE CVE-2026-31466

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix folio isn't locked in softleaftofolio On arm64 server, we found folio that get from migration entry isn't locked in softleaftofolio. This issue triggers when mTHP splitting and zapnonpresentptes races, and the...

EUVD-2026-24811

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix folio isn't locked in softleaftofolio On arm64 server, we found folio that get from migration entry isn't locked in softleaftofolio. This issue triggers when mTHP splitting and zapnonpresentptes races, and the...

CVE-2026-31466

CVE-2026-31466 affects the Linux kernel; root cause is a race in softleaf_to_folio() related to missing memory barrier (smp_rmb) when handling migration/compound pages, leading to potential incorrect folio modification. The issue was addressed by adding the missing memory barrier in softleaf_to_f...

PT-2026-34371

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.19-rc1 Description A race condition exists between mTHP splitting and the zap nonpresent ptes function on arm64 servers. The issue occurs in the softleaf to folio function due to a missing memory barrier smp rm...

Linux Distros Unpatched Vulnerability : CVE-2026-31466

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/hugememory: fix folio isn't locked in softleaftofolio On arm64 server, we found folio that get from migration entry isn't locked in softleaftofolio. This iss...

Linux Distros Unpatched Vulnerability : CVE-2026-31397

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/hugememory: fix use of NULL folio in movepageshugepmd movepageshugepmd handles UFFDIOMOVE for both normal THPs and huge zero pages. For the huge zero page...

EUVD-2026-18776

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix use of NULL folio in movepageshugepmd movepageshugepmd handles UFFDIOMOVE for both normal THPs and huge zero pages. For the huge zero page path, srcfolio is explicitly set to NULL, and is used as a sentinel to...

CVE-2026-31397

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix use of NULL folio in movepageshugepmd movepageshugepmd handles UFFDIOMOVE for both normal THPs and huge zero pages. For the huge zero page path, srcfolio is explicitly set to NULL, and is used as a sentinel to...

CVE-2026-31397 mm/huge_memory: fix use of NULL folio in move_pages_huge_pmd()

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix use of NULL folio in movepageshugepmd movepageshugepmd handles UFFDIOMOVE for both normal THPs and huge zero pages. For the huge zero page path, srcfolio is explicitly set to NULL, and is used as a sentinel to...