CVE-2026-25199 Apache CloudStack: Proxmox Extension Allows Unauthorized Cross-Tenant Instance Access

Instances deployed via the Proxmox extension allow unauthorized access to instances belonging to other tenants. This issue affects Apache CloudStack: from 4.21.0.0 through 4.22.0.0. The Proxmox extension for CloudStack improperly uses a user-editable instance setting, proxmoxvmid, to associate...

CVE-2025-66171 Apache CloudStack: Any user can create a new VM from backups they should not have access to

The CloudStack Backup plugin has an improper access logic in versions 4.21.0.0 and 4.22.0.0. Anyone with authenticated user-account access in CloudStack 4.21.0.0+ environments, where this plugin is enabled and have access to specific APIs can create new VMs using backups of any other user of the...

PT-2026-38914

Name of the Vulnerable Software and Affected Versions CloudStack versions 4.21.0.0 through 4.22.0.0 Description The CloudStack Backup plugin contains improper access logic. Authenticated users in environments where this plugin is enabled can leverage specific APIs to create new virtual machines...

Apache CloudStack 安全漏洞

Apache CloudStack is an IaaS cloud computing platform developed by the Apache Foundation in the United States. This platform is primarily used for deploying and managing large-scale virtual machine networks. Versions 4.21.0.0 and 4.22.0.0 of Apache CloudStack contain security vulnerabilities. The...

Apache CloudStack 安全漏洞

Apache CloudStack is an IaaS cloud computing platform developed by the Apache Foundation in the United States. This platform is primarily used for deploying and managing large-scale virtual machine networks. Versions 4.21.0.0 and 4.22.0.0 of Apache CloudStack contain security vulnerabilities. The...

Apache CloudStack 信息泄露漏洞

Apache CloudStack is an IaaS cloud computing platform developed by the Apache Foundation in the United States. This platform is primarily used for deploying and managing large-scale virtual machine networks. Versions 4.21.0.0 to 4.22.0.0 of Apache CloudStack contained a vulnerability related to...

CVE-2026-43094

A flaw was found in the Linux kernel's ixgbevf driver. When running on Hyper-V virtual machines, a missing operation in the driver's Hyper-V operations table can lead to a null pointer dereference during feature negotiation. This vulnerability allows a local user to trigger a system crash,...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the atomicization of the PHY FSM conversion in the DRM and display mechanisms. This vulnerability...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the ixgbevf driver’s lack of the negotiatefeatures callback in the ops table of Hyper-V VMs,...

[SECURITY] Fedora 44 Update: xen-4.21.1-2.fc44

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

Linux kernel double free in Xen privcmd driver

ISSUE DESCRIPTION The Linux kernel's privcmd driver can be abused to circumvent kernel lockdown secure boot by causing a double free of kernel memory. Note that this operation can be performed by root only, so any further impact on the system like denial of service is not security relevant. IMPAC...

Nutanix Prism Central 访问控制错误漏洞

Nutanix Prism Central is a centralized management console provided by the American company Nutanix. Nutanix Prism Central has an access control vulnerability, which stems from improper access controls. This vulnerability allows unauthenticated attackers to access the system via the network, send...

The vulnerability of VMware Fusion and Vmware Workstation lies in the insufficient restrictions on network connections for certain endpoints, which allows attackers to interrupt or intercept network connections of other guest virtual machines.

The vulnerability of VMware Fusion and Vmware Workstation lies in the insufficient restrictions on network connections for specified endpoints. Exploiting this vulnerability allows a malicious actor to interrupt or intercept network connections to other guest virtual machines remotely...

The vulnerability of the data collection tool for Azure Monitor Agents, which are associated with virtual machines and physical servers, stems from deficiencies in the deserialization mechanism. This allows attackers to exploit their privileges.

The vulnerability of the data collection tool for Azure Monitor Agents, which are associated with virtual machines and physical servers, is related to deficiencies in the deserialization mechanism. Exploiting this vulnerability could allow attackers to enhance their privileges...

The vulnerability of the data collection tool for Azure Monitor Agents, which operates on virtual machines and physical servers, stems from insufficient validation of input data. This allows attackers to exploit this flaw to increase their privileges.

The vulnerability of the data collection tool for Azure Monitor Agents, which operates on virtual machines and physical servers, is related to insufficient validation of input data. Exploiting this vulnerability could allow attackers to increase their privileges...

CVE-2026-34177

Canonical LXD versions 4.12 through 6.7 contain an incomplete denylist in isVMLowLevelOptionForbidden lxd/project/limits/permissions.go, which omits raw.apparmor and raw.qemu.conf from the set of keys blocked under the restricted.virtual-machines.lowlevel=block project restriction. A remote...

UBUNTU-CVE-2026-34177

Canonical LXD versions 4.12 through 6.7 contain an incomplete denylist in isVMLowLevelOptionForbidden lxd/project/limits/permissions.go, which omits raw.apparmor and raw.qemu.conf from the set of keys blocked under the restricted.virtual-machines.lowlevel=block project restriction. A remote...

CVE-2026-34177

Canonical LXD versions 4.12 through 6.7 contain an incomplete denylist in isVMLowLevelOptionForbidden lxd/project/limits/permissions.go, which omits raw.apparmor and raw.qemu.conf from the set of keys blocked under the restricted.virtual-machines.lowlevel=block project restriction. A remote...

CVE-2026-34177 VM lowlevel restriction bypass via raw.apparmor and raw.qemu.conf

Canonical LXD versions 4.12 through 6.7 contain an incomplete denylist in isVMLowLevelOptionForbidden lxd/project/limits/permissions.go, which omits raw.apparmor and raw.qemu.conf from the set of keys blocked under the restricted.virtual-machines.lowlevel=block project restriction. A remote...

CVE-2026-34177

The CVE concerns Canonical LXD versions 4.12–6.7. It documents an incomplete denylist in isVMLowLevelOptionForbidden (lxd/project/limits/permissions.go) that omits raw.apparmor and raw.qemu.conf from restricted.virtual-machines.lowlevel=block. A remote attacker who has can_edit permission on a VM...