CVE-2025-39899

In the Linux kernel, the following vulnerability has been resolved: mm/userfaultfd: fix kmaplocal LIFO ordering for CONFIGHIGHPTE With CONFIGHIGHPTE on 32-bit ARM, movepagespte maps PTE pages using kmaplocalpage, which requires unmapping in Last-In-First-Out order. The current code maps dstpte...

PT-2025-40133

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s mm/uffd module. Specifically, a warning can occur when PTE MARKER UFFD WP is not compiled in, potentially leading to unexpected behavior. The issue...

DEBIAN-CVE-2025-39775

In the Linux kernel, the following vulnerability has been resolved: mm/mremap: fix WARN with uffd that has remap events disabled Registering userfaultd on a VMA that spans at least one PMD and then mremap'ing that VMA can trigger a WARN when recovering from a failed page table move due to a page...

CVE-2025-39775

In the Linux kernel, the following vulnerability has been resolved: mm/mremap: fix WARN with uffd that has remap events disabled Registering userfaultd on a VMA that spans at least one PMD and then mremap'ing that VMA can trigger a WARN when recovering from a failed page table move due to a page...

UBUNTU-CVE-2025-39775

In the Linux kernel, the following vulnerability has been resolved: mm/mremap: fix WARN with uffd that has remap events disabled Registering userfaultd on a VMA that spans at least one PMD and then mremap'ing that VMA can trigger a WARN when recovering from a failed page table move due to a page...

CVE-2025-39775

CVE-2025-39775: In the Linux kernel, mm/mremap: fix WARN with uffd that has remap events disabled. Root cause: during an mremap recovery, recursion recurses on the original page-table move but not the recovery move, triggering a WARN in mremap.c. The fix adds a double-VMAs PMD/PUD level check (be...

CVE-2025-39775 mm/mremap: fix WARN with uffd that has remap events disabled

In the Linux kernel, the following vulnerability has been resolved: mm/mremap: fix WARN with uffd that has remap events disabled Registering userfaultd on a VMA that spans at least one PMD and then mremap'ing that VMA can trigger a WARN when recovering from a failed page table move due to a page...

SUSE CVE-2025-38686

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: fix a crash in UFFDIOMOVE when PMD is a migration entry When UFFDIOMOVE encounters a migration PMD entry, it proceeds with obtaining a folio and accessing it even though the entry is swpentryt. Add the missing check...

CVE-2025-38686

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: fix a crash in UFFDIOMOVE when PMD is a migration entry When UFFDIOMOVE encounters a migration PMD entry, it proceeds with obtaining a folio and accessing it even though the entry is swpentryt. Add the missing check...

DEBIAN-CVE-2025-38686

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: fix a crash in UFFDIOMOVE when PMD is a migration entry When UFFDIOMOVE encounters a migration PMD entry, it proceeds with obtaining a folio and accessing it even though the entry is swpentryt. Add the missing check...

UBUNTU-CVE-2025-38686

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: fix a crash in UFFDIOMOVE when PMD is a migration entry When UFFDIOMOVE encounters a migration PMD entry, it proceeds with obtaining a folio and accessing it even though the entry is swpentryt. Add the missing check...

CVE-2025-38686 userfaultfd: fix a crash in UFFDIO_MOVE when PMD is a migration entry

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: fix a crash in UFFDIOMOVE when PMD is a migration entry When UFFDIOMOVE encounters a migration PMD entry, it proceeds with obtaining a folio and accessing it even though the entry is swpentryt. Add the missing check...

CVE-2025-38686

CVE-2025-38686 describes a Linux kernel local crash in userfaultfd’s UFFDIO_MOVE when encountering a migration PMD entry. The fix adds a missing check and delegates migration-entry handling to split_huge_pmd(), and removes an unnecessary folio check. Upstream commits (e.g., 7f1101a0a181243ad587ec...

mm: clear uffd-wp PTE/PMD state on mremap()

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Linux Distros Unpatched Vulnerability : CVE-2025-38242

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm: userfaultfd: fix race of userfaultfdmove and swap cache This commit fixes two kinds of races, they may have different results: Barry reported a BUGON in...

Linux Distros Unpatched Vulnerability : CVE-2021-47461

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: userfaultfd: fix a race between writeprotect and exitmmap A race is possible when a process...

Linux Distros Unpatched Vulnerability : CVE-2022-49744

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/uffd: fix pte marker when fork without fork event Patch series mm: Fixes on pte markers...

Linux Distros Unpatched Vulnerability : CVE-2024-27007

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: userfaultfd: change srcfolio after ensuring it's unpinned in UFFDIOMOVE Commit d7a08838ab74...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: virtio: break and reset virtio devices on deviceshutdown CVE-2025-38064 In the Linux kernel, the following vulnerability has been resolved: netfs: Fix oops in write-retry from mis-resetting the subreq iterator...

PT-2025-35959

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to userfaultfd. Specifically, a crash can occur in the UFFDIO MOVE operation when a Page Middle Directory PMD is a migration entry. The issue...