MiracleLinux 8 : virt:rhel and virt-devel:rhel (AXSA:2024-8558:01)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2024-8558:01 advisory. Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which...

MiracleLinux 4 : qemu-kvm-0.12.1.2-2.160.AXS4.8 (AXSA:2011-600:02)

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2011-600:02 advisory. KVM for Kernel-based Virtual Machine is a full virtualization solution for Linux on x86 hardware. Using KVM, one can run multiple virtual machines...

MiracleLinux 3 : kvm-83-266.0.1.AXS3.1 (AXSA:2014-242:01)

The remote MiracleLinux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2014-242:01 advisory. KVM for Kernel-based Virtual Machine is a full virtualization solution for Linux on x86 hardware. Using KVM, one can run multiple virtual machines...

CVE-2026-21223

Improper privilege management in Microsoft Edge Chromium-based allows an authorized attacker to bypass a security feature locally...

The vulnerability of the security function based on virtualization in Windows operating systems allows attackers to access confidential information.

The vulnerability of the security function based on virtualization, known as Virtualization-Based Security VBS in Windows operating systems, is related to the use of a non-trusted pointer. Exploiting this vulnerability can allow attackers to circumvent existing security restrictions...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000658)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000658 advisory. The kvmsetmsrcommon function in arch/x86/kvm/x86.c in the Linux kernel through 3.8.4 does not ensure a required timepage alignment during an MSRKVMSYSTEMTIME...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002721)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002721 advisory. The KVM subsystem in the Linux kernel through 4.13.3 allows guest OS users to cause a denial of service assertion failure, and hypervisor hang or crash via an out-of...

CVE-2026-20819

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

The vulnerability of the trusted execution environment for Virtualization-Based Security (VBS) operating systems in Windows allows attackers to disclose sensitive information that is protected by this security mechanism.

The vulnerability of the trusted execution environment for Windows Virtualization-Based Security VBS operating systems is related to unreliable pointer aliasing. Exploiting this vulnerability can allow an attacker to disclose sensitive information that is protected by security measures...

Microsoft Patch Tuesday for January 2026 — Snort rules and prominent vulnerabilities

Microsoft has released its monthly security update for January 2026, which includes 112 vulnerabilities affecting a range of products, including 8 that Microsoft marked as "critical". In this month's release, Microsoft observed one of the included "important" vulnerabilities, CVE-2026-20805, as...

CVE-2026-20935

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

CVE-2026-20876

CVE-2026-20876 is a heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclave that enables a locally authorized attacker to elevate privileges. The vulnerability targets the VBS Enclave component and can lead to total compromise of the host if exploited. Microsoft has publ...

Windows Virtualization-Based Security (VBS) Information Disclosure Vulnerability

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

kernel: x86/vmscape: Add conditional IBPB mitigation

In the Linux kernel, the following vulnerability has been resolved: x86/vmscape: Add conditional IBPB mitigation VMSCAPE is a vulnerability that exploits insufficient branch predictor isolation between a guest and a userspace hypervisor like QEMU. Existing mitigations already protect kernel/KVM...

EulerOS Virtualization 2.13.1 : libssh (EulerOS-SA-2025-2549)

According to the versions of the libssh package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : There's a vulnerability in the libssh package where when a libssh consumer passes in an unexpectedly large input buffer to...

PT-2026-38957

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM nSVM component where a user-triggerable warning occurs in the svm set nested state function when nested svm load cr3 fails. This condition can be easily...

CVE-2023-53756 KVM: VMX: Fix crash due to uninitialized current_vmcs

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Fix crash due to uninitialized currentvmcs KVM enables 'Enlightened VMCS' and 'Enlightened MSR Bitmap' when running as a nested hypervisor on top of Hyper-V. When MSR bitmap is updated, evmcstouchmsrbitmap function uses...

EBPF-PATROL: Protective Agent for Threat Recognition and Overreach Limitation Using EBPF in Containerized and Virtualized Environments

With the increasing use and adoption of cloud and cloud-native computing, the underlying technologies i.e., containerization and virtualization have become foundational. However, strict isolation and maintaining runtime security in these environments has become increasingly challenging. Existing...

kernel: KVM: SVM: Don't BUG if userspace injects an interrupt with GIF=0

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Don't BUG if userspace injects an interrupt with GIF=0 Don't BUG/WARN on interrupt injection due to GIF being cleared, since it's trivial for userspace to force the situation via KVMSETVCPUEVENTS even if having at least...

USN-7862-3 linux-xilinx-zynqmp vulnerability

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...