UBUNTU-CVE-2026-64514

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: gate mustwait writability check on ptepresent userfaultfdmustwait and userfaultfdhugemustwait read the PTE without taking the page table lock and then apply ptewrite / hugeptewrite to it. Those accessors decode bits...

EUVD-2026-48858

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: gate mustwait writability check on ptepresent userfaultfdmustwait and userfaultfdhugemustwait read the PTE without taking the page table lock and then apply ptewrite / hugeptewrite to it. Those accessors decode bits...

CVE-2026-64514 userfaultfd: gate must_wait writability check on pte_present()

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: gate mustwait writability check on ptepresent userfaultfdmustwait and userfaultfdhugemustwait read the PTE without taking the page table lock and then apply ptewrite / hugeptewrite to it. Those accessors decode bits...

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...

CVE-2026-53108

A flaw was found in the Linux kernel. A race condition exists between the movepages system call, which sets up a Page Middle Directory PMD migration entry, and the munmap system call, which unmaps memory regions. This race can be exploited by a local user to trigger a kernel bug, causing a system...

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...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/proc: taskmmu.c: Do not read mapcount for migration entries The syzbot reported the following bug: Kernel bug at include/linux/page-flags.h: 785 Invalid opcode: 0000 1 PREEMPT SMP KASAN CPU: 1; PID: 4392; Comm: syz-executor560...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm: Fixed a livelock/fasting problem caused by hmmrangefault If hmmrangefault fails a foliotrylock in doswappage, and attempts to acquire the lock of a device-private folio for migration, the function will spin until it...

SUSE CVE-2026-43404

In the Linux kernel, the following vulnerability has been resolved: mm: Fix a hmmrangefault livelock / starvation problem If hmmrangefault fails a foliotrylock in doswappage, trying to acquire the lock of a device-private folio for migration, to ram, the function will spin until it succeeds...

EUVD-2026-28710

In the Linux kernel, the following vulnerability has been resolved: mm: Fix a hmmrangefault livelock / starvation problem If hmmrangefault fails a foliotrylock in doswappage, trying to acquire the lock of a device-private folio for migration, to ram, the function will spin until it succeeds...

CVE-2026-43404

In the Linux kernel, the following vulnerability has been resolved: mm: Fix a hmmrangefault livelock / starvation problem If hmmrangefault fails a foliotrylock in doswappage, trying to acquire the lock of a device-private folio for migration, to ram, the function will spin until it succeeds...

CVE-2026-43404

In the Linux kernel, the following vulnerability has been resolved: mm: Fix a hmmrangefault livelock / starvation problem If hmmrangefault fails a foliotrylock in doswappage, trying to acquire the lock of a device-private folio for migration, to ram, the function will spin until it succeeds...

UBUNTU-CVE-2026-43404

In the Linux kernel, the following vulnerability has been resolved: mm: Fix a hmmrangefault livelock / starvation problem If hmmrangefault fails a foliotrylock in doswappage, trying to acquire the lock of a device-private folio for migration, to ram, the function will spin until it succeeds...

PT-2026-39065

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A livelock or starvation issue exists in the Linux kernel. When hmm range fault fails a folio trylock in do swap page while attempting to acquire the lock of a device-private folio for...

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 mm/huge_memory: fix folio isn't locked in softleaf_to_folio()

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...

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...

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...