PT-2026-69566

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the userfaultfd mechanism that allows the registration of special Virtual Memory Areas VMAs. Specifically, it permits registration on shadow stack VMAs, which could...

CVE-2026-64514

A flaw was found in the Linux kernel's userfaultfd mechanism. This vulnerability occurs when the userfaultfdmustwait and userfaultfdhugemustwait functions incorrectly read Page Table Entries PTEs without proper locking during memory operations. This can lead to an undefined state if a page is bei...

userfaultfd: gate must_wait writability check on pte_present()

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SUSE 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...

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...

AZL-93608 CVE-2026-64514 affecting package kernel for versions less than 6.6.145.2-1

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

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...

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...

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...

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...

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...

CVE-2026-64514

CVE-2026-64514 — Linux kernel (userfaultfd) details: The vulnerability concerns a gate must_wait writability check for userfaultfd on pte_present(). The kernel reads PTEs without holding the page table lock in userfaultfd_must_wait() and userfaultfd_huge_must_wait(), potentially decoding offset b...

PT-2026-64735

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the userfaultfd mechanism where the functions userfaultfd must wait and userfaultfd huge must wait read the Page Table Entry PTE without acquiring the page table lock...

Linux Distros Unpatched Vulnerability : CVE-2026-64514

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - userfaultfd: gate mustwait writability check on ptepresent userfaultfdmustwait and userfaultfdhugemustwait read the PTE without taking the page table lock and...

AZL-90900 CVE-2026-53274 affecting package kernel for versions less than 6.6.143.1-1

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix sleep-inside-lock in smcsetsockopt causing local DoS A logic flaw in smcsetsockopt allows a local unprivileged user to cause a Denial of Service DoS by holding the socket lock indefinitely. The function smcsetsockopt...

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...

EUVD-2026-39245

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: restore reservation on error in hugetlb folio copy paths Two sites in mm/hugetlb.c allocate a hugetlb folio via allochugetlbfolio consuming a VMA reservation and then call copyuserlargefolio, which became int-returnin...

PT-2026-52251

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the memory management subsystem where the set pmd migration entry function incorrectly uses pmd write, pmd soft dirty, and pmd uffd wp to determine the state of...