mm/huge_memory: fix dereferencing invalid pmd migration entry

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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...

Linux Distros Unpatched Vulnerability : CVE-2024-37026

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: drm/xe: Only use reserved BCS instances for usm migrate exec queue The GuC context schedulin...

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...

Security update 5.1.0 GM for Multi-Linux Manager Client Tools

This update fixes the following issues: spacecmd: Version update from 5.1.6-0 to 5.1.8-0 with the following key change: Update translation strings uyuni-tools: Version 5.1.14-0: Fix mgradm backup create handling of images and systemd files bsc1244563 migrate existing TLS certificates from 4.3...

Security update 5.1.0 GM for Multi-Linux Manager Client Tools

This update fixes the following issues: spacecmd: Version update from 5.1.6-0 to 5.1.8-0 with the following key change: Update translation strings uyuni-tools: Version 5.1.14-0: Fix mgradm backup create handling of images and systemd files bsc1244563 migrate existing TLS certificates from 4.3...

Security update 5.1.0 GM for Multi-Linux Manager Client Tools

This update fixes the following issues: spacecmd: Version update from 5.1.6-0 to 5.1.8-0 with the following key change: Update translation strings uyuni-tools: Version 5.1.14-0: Fix mgradm backup create handling of images and systemd files bsc1244563 migrate existing TLS certificates from 4.3...

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...

SUSE CVE-2025-38455

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Reject SEV-ES intra host migration if vCPU creation is in-flight Reject migration of SEV-ES state if either the source or destination VM is actively creating a vCPU, i.e. if kvmvmioctlcreatevcpu is in the section betwee...

SUSE CVE-2025-54566

hw/pci/pciesriov.c in QEMU through 10.0.3 has a migration state inconsistency, a related issue to CVE-2024-26327...

CVE-2025-38455

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Reject SEV-ES intra host migration if vCPU creation is in-flight Reject migration of SEV-ES state if either the source or destination VM is actively creating a vCPU, i.e. if kvmvmioctlcreatevcpu is in the section betwee...

DEBIAN-CVE-2025-38455

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Reject SEV-ES intra host migration if vCPU creation is in-flight Reject migration of SEV-ES state if either the source or destination VM is actively creating a vCPU, i.e. if kvmvmioctlcreatevcpu is in the section betwee...

UBUNTU-CVE-2025-38455

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Reject SEV-ES intra host migration if vCPU creation is in-flight Reject migration of SEV-ES state if either the source or destination VM is actively creating a vCPU, i.e. if kvmvmioctlcreatevcpu is in the section betwee...

CVE-2025-38455 KVM: SVM: Reject SEV{-ES} intra host migration if vCPU creation is in-flight

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Reject SEV-ES intra host migration if vCPU creation is in-flight Reject migration of SEV-ES state if either the source or destination VM is actively creating a vCPU, i.e. if kvmvmioctlcreatevcpu is in the section betwee...

CVE-2025-38455 KVM: SVM: Reject SEV{-ES} intra host migration if vCPU creation is in-flight

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Reject SEV-ES intra host migration if vCPU creation is in-flight Reject migration of SEV-ES state if either the source or destination VM is actively creating a vCPU, i.e. if kvmvmioctlcreatevcpu is in the section betwee...

CVE-2025-38455

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Reject SEV-ES intra host migration if vCPU creation is in-flight Reject migration of SEV-ES state if either the source or destination VM is actively creating a vCPU, i.e. if kvmvmioctlcreatevcpu is in the section betwee...

CVE-2025-38455

CVE-2025-38455 is a Linux kernel/KVM vulnerability in the KVM: SVM path. The issue occurs during SEV{-ES} intra-host migration when a vCPU is being created (in-flight) on either source or destination VM, where SEV{-ES} state can be toggled to non-SEV{-ES} in the destination. This can lead to a cr...