CVE-2026-23558

The adjustments made for XSA-379 as well as those subsequently becoming XSA-387 still left a race window, when a HVM or PVH guest does a grant table version change from v2 to v1 in parallel with mapping the status pages via XENMEMaddtophysmap. Some of the status pages may then be freed while...

CVE-2026-23558 grant table v2 race in status page mapping

The adjustments made for XSA-379 as well as those subsequently becoming XSA-387 still left a race window, when a HVM or PVH guest does a grant table version change from v2 to v1 in parallel with mapping the status pages via XENMEMaddtophysmap. Some of the status pages may then be freed while...

Xen 安全漏洞

Xen is an open-source virtual machine monitor product developed by Xen. This product allows different and incompatible operating systems to run on the same computer. It also supports migration during operation, ensuring smooth functioning and avoiding downtime. Xen has a security vulnerability th...

RHEL 9 : qemu-kvm (RHSA-2026:18772)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:18772 advisory. Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the...

ALSA-2026:18772 Moderate: qemu-kvm security update

Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Security Fixes: qemu-kvm: VNC WebSocket handshake use-after-free CVE-2025-11234 For more...

CLSA-2026-1779097389 qemu-kvm: Fix of CVE-2023-6693

fix CVE-2023-6693: virtio-net stack overflow via large guesthdrlen...

CVE-2024-36323

Improper isolation of VCN-JPEG HW register space could allow a malicious Guest Virtual Machine VM or a process to perform unauthorized access to the register space of the JPEG cores assigned a victim VM/process, potentially gaining arbitrary read/write access to the victim VM/process data...

Improper Isolation or Compartmentalization

Overview boxlite is a Python bindings for Boxlite runtime Affected versions of this package are vulnerable to Improper Isolation or Compartmentalization in the mounting of host directories in read-only mode into VM. An attacker can gain unauthorized write access to the host filesystem by remounti...

CVE-2024-36323

Improper isolation of VCN-JPEG HW register space could allow a malicious Guest Virtual Machine VM or a process to perform unauthorized access to the register space of the JPEG cores assigned a victim VM/process, potentially gaining arbitrary read/write access to the victim VM/process data...

CVE-2026-0427

Improper cleanup of shared register resources in GPU firmware could allow an admin-privileged attacker from a Guest Virtual machine VM to access these shared resources from another Guest VM, potentially resulting in the loss of confidentiality, integrity, or availability...

CVE-2024-36332

Improper isolation of GPU HW register space could allow a privileged attacker in malicious Guest Virtual Machine VM to perform unauthorized access to specific victim range of GPU MMIO register space, potentially causing the host OS to reboot and creating a Denial of Service DOS condition...

CVE-2024-36323

Improper isolation of VCN-JPEG HW register space could allow a malicious Guest Virtual Machine VM or a process to perform unauthorized access to the register space of the JPEG cores assigned a victim VM/process, potentially gaining arbitrary read/write access to the victim VM/process data...

CVE-2024-36323

Improper isolation of VCN-JPEG HW register space could allow a malicious Guest Virtual Machine VM or a process to perform unauthorized access to the register space of the JPEG cores assigned a victim VM/process, potentially gaining arbitrary read/write access to the victim VM/process data...

CVE-2024-36323

CVE-2024-36323: Improper isolation of VCN-JPEG hardware register space could allow a local attacker (malicious Guest VM or local process) to read/write the JPEG core register space of a victim VM/process, potentially accessing data. CVSS v4.0 vector: AV:L/AC:L/PR:L/UI:N/AT:P/VC:H/SC:H/VI:H/SI:H/V...

EUVD-2024-55589

Improper isolation of VCN-JPEG HW register space could allow a malicious Guest Virtual Machine VM or a process to perform unauthorized access to the register space of the JPEG cores assigned a victim VM/process, potentially gaining arbitrary read/write access to the victim VM/process data...

CVE-2024-36323

Improper isolation of VCN-JPEG HW register space could allow a malicious Guest Virtual Machine VM or a process to perform unauthorized access to the register space of the JPEG cores assigned a victim VM/process, potentially gaining arbitrary read/write access to the victim VM/process data...

CVE-2026-0427

CVE-2026-0427 is tied to AMD GPU firmware: improper cleanup of shared register resources could allow an admin-privileged attacker in one Guest VM to access shared resources from another Guest VM. The vulnerability targets the GPU firmware’s handling of shared register space, enabling potential lo...

EUVD-2026-30501

Improper cleanup of shared register resources in GPU firmware could allow an admin-privileged attacker from a Guest Virtual machine VM to access these shared resources from another Guest VM, potentially resulting in the loss of confidentiality, integrity, or availability...

CVE-2026-0427

Improper cleanup of shared register resources in GPU firmware could allow an admin-privileged attacker from a Guest Virtual machine VM to access these shared resources from another Guest VM, potentially resulting in the loss of confidentiality, integrity, or availability...

CVE-2026-0427

Improper cleanup of shared register resources in GPU firmware could allow an admin-privileged attacker from a Guest Virtual machine VM to access these shared resources from another Guest VM, potentially resulting in the loss of confidentiality, integrity, or availability...