CVE-2025-39725 mm/vmscan: fix hwpoisoned large folio handling in shrink_folio_list

In the Linux kernel, the following vulnerability has been resolved: mm/vmscan: fix hwpoisoned large folio handling in shrinkfoliolist In shrinkfoliolist, the hwpoisoned folio may be large folio, which can't be handled by unmappoisonedfolio. For THP, trytounmapone must be passed with TTUSPLITHUGEP...

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...

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...

CVE-2025-23259

NVIDIA Mellanox DPDK contains a vulnerability in Poll Mode Driver PMD, where an attacker on a VM in the system might be able to cause information disclosure and denial of service on the network interface...

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-2025-23259

NVIDIA Mellanox DPDK contains a vulnerability in Poll Mode Driver PMD, where an attacker on a VM in the system might be able to cause information disclosure and denial of service on the network interface...

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 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...

kernel: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugepmdunshare vs GUP-fast race hugepmdunshare drops a reference on a page table that may have previously been shared across processes, potentially turning it into a normal page table used in another process in...

RHEL 9 : kernel (RHSA-2025:15227)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:15227 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: mm/hugetlb: fix hugepmdunshar...

kernel: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugepmdunshare vs GUP-fast race hugepmdunshare drops a reference on a page table that may have previously been shared across processes, potentially turning it into a normal page table used in another process in...

kernel: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugepmdunshare vs GUP-fast race hugepmdunshare drops a reference on a page table that may have previously been shared across processes, potentially turning it into a normal page table used in another process in...

Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: padata: fix UAF in padatareorder CVE-2025-21727 kernel: ipv6: mcast: extend RCU protection in igmp6send CVE-2025-21759 kernel: can...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Leak pages if setmemoryencrypted fails CVE-2024-36913 In the Linux kernel, the following vulnerability has been resolved: xfs: don't walk off the end of a directory data block CVE-2024-41013 In...

Linux Distros Unpatched Vulnerability : CVE-2022-48897

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: arm64/mm: fix incorrect filemapcount for invalid pmd The page table check trigger BUGON...

Linux Distros Unpatched Vulnerability : CVE-2023-52934

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/MADVCOLLAPSE: catch !none !huge !bad pmd lookups In commit 34488399fa08 mm/madvise: add...

kernel: mm/huge_memory: fix dereferencing invalid pmd migration entry

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix dereferencing invalid pmd migration entry When migrating a THP, concurrent access to the PMD migration entry during a deferred split scan can lead to an invalid address access, as illustrated below. To prevent...

kernel: mm/huge_memory: fix dereferencing invalid pmd migration entry

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix dereferencing invalid pmd migration entry When migrating a THP, concurrent access to the PMD migration entry during a deferred split scan can lead to an invalid address access, as illustrated below. To prevent...

kernel: mm/huge_memory: fix dereferencing invalid pmd migration entry

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix dereferencing invalid pmd migration entry When migrating a THP, concurrent access to the PMD migration entry during a deferred split scan can lead to an invalid address access, as illustrated below. To prevent...