Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001784)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001784 advisory. Race condition in arch/x86/kvm/x86.c in the Linux kernel before 2.6.38 allows L2 guest OS users to cause a denial of service L1 guest OS crash via a crafted...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003045)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003045 advisory. A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted interrupts when nested=1 virtualization is enabled. In...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003054)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003054 advisory. The nestedvmxcheckvmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS user...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003193)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003193 advisory. The preparevmcs02 function in arch/x86/kvm/vmx.c in the Linux kernel through 4.13.3 does not ensure that the CR8-load exiting and CR8-store exiting L0 vmcs02 control...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003187)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003187 advisory. arch/x86/kvm/mmu.c in the Linux kernel through 4.13.5, when nested virtualisation is used, does not properly traverse guest pagetable entries to resolve a guest...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002498)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002498 advisory. The apicgettmcct function in arch/x86/kvm/lapic.c in the KVM subsystem in the Linux kernel through 3.12.5 allows guest OS users to cause a denial of service...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002707)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002707 advisory. The x86decodeinsn function in arch/x86/kvm/emulate.c in the Linux kernel before 4.8.7, when KVM is enabled, allows local users to cause a denial of service host OS...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002130)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002130 advisory. The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service host OS panic or hang by...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002090)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002090 advisory. The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service host OS panic or hang by...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003462)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003462 advisory. The KVM implementation in the Linux kernel through 4.14.7 allows attackers to obtain potentially sensitive information from kernel memory, aka a writemmio stack-base...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002231)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002231 advisory. The recalculateapicmap function in arch/x86/kvm/lapic.c in the KVM subsystem in the Linux kernel through 3.12.5 allows guest OS users to cause a denial of service ho...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002570)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002570 advisory. The nestedvmxcheckvmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS user...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002559)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002559 advisory. A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilegeCPL lev...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002195)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002195 advisory. Buffer overflow in virt/kvm/irqcomm.c in the KVM subsystem in the Linux kernel before 3.2.24 allows local users to cause a denial of service crash and possibly execu...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002432)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002432 advisory. Buffer overflow in the macvtap device driver in the Linux kernel before 3.4.5, when running in certain configurations, allows privileged KVM guest users to cause a...

CVE-2026-20935

Untrusted pointer dereference in Windows Virtualization-Based Security VBS Enclave allows an unauthorized attacker to disclose information locally...

CVE-2026-20819

Untrusted pointer dereference in Windows Virtualization-Based Security VBS Enclave allows an authorized attacker to disclose information locally...

CVE-2026-20938

Untrusted pointer dereference in Windows Virtualization-Based Security VBS Enclave allows an authorized attacker to elevate privileges locally...

CVE-2025-71104

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix VM hard lockup after prolonged inactivity with periodic HV timer When advancing the target expiration for the guest's APIC timer in periodic mode, set the expiration to "now" if the target expiration is in the past...

CVE-2025-71104

The CVE-2025-71104 entry concerns the Linux kernel KVM on x86 with the HV timer. Root cause: when advancing the guest APIC timer expiration in periodic mode, adding a period to a past target expiration can create an unbounded sequence of hrtimer IRQs; if the guest is paused, this can trigger host...