Hyper-V Hardware Virtualization Privilege Escalation

The vulnerability of the Hyper-V hardware virtualization technology in Microsoft Windows operating systems is related to deficiencies in access control. Exploiting this vulnerability can allow attackers to enhance their privileges...

SUSE-SU-2022:4594-1 Security update for supportutils

This update for supportutils fixes the following issues: Security issues fixed: - Passwords correctly removed from email.txt, updates.txt and fs-iscsi.txt bsc1203818 Bug fixes: - Added lifecycle information - Fixed KVM virtualization detection on bare metal bsc1184689 - Added logging using...

Mageia: Security Advisory (MGASA-2022-0477)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

MGASA-2022-0478 Updated kernel-linus packages fix security vulnerabilities

This kernel-linus update is based on upstream 5.15.82 and fixes atleast the following security issues: A flaw was found in the Linux kernel. A denial of service flaw may occur if there is a consecutive request of the NVMEIOCTLRESET and the NVMEIOCTLSUBSYSRESET through the device file of the drive...

MGASA-2022-0477 Updated kernel packages fix security vulnerabilities

This kernel update is based on upstream 5.15.82 and fixes atleast the following security issues: A flaw was found in the Linux kernel. A denial of service flaw may occur if there is a consecutive request of the NVMEIOCTLRESET and the NVMEIOCTLSUBSYSRESET through the device file of the driver,...

QEMU < 7.2.0 Overflow (CVE-2022-4172)

An integer overflow and buffer overflow issues were found in the ACPI Error Record Serialization Table ERST device of QEMU in the readerstrecord and writeerstrecord functions. Both issues may allow the guest to overrun the host buffer allocated for the ERST memory device. A malicious guest could...

VMware EHCI Controller Code Execution

The vulnerability of the USB 2.0 EHCI controller in VMware ESXi, VMware Workstation, and VMware Fusion, as well as in the virtualization platform VMware Cloud Foundation, relates to the ability to write beyond the buffer. Exploiting this vulnerability could allow an attacker to execute arbitrary...

Hyper-V Hardware Virtualization DoS

The vulnerability of the Hyper-V hardware virtualization technology for Windows operating systems is related to insufficient validation of input data. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2022-31358

A reflected cross-site scripting XSS vulnerability in Proxmox Virtual Environment prior to v7.2-3 allows remote attackers to execute arbitrary web scripts or HTML via non-existent endpoints under path /api2/html/...

Important: Red Hat Security Advisory: Red Hat Virtualization Host security update [ovirt-4.5.3-3]

An update for redhat-release-virtualization-host, redhat-virtualization-host, and redhat-virtualization-host-productimg is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

RHEL 8 : Red Hat Virtualization Host security update [ovirt-4.5.3-3] (Important) (RHSA-2022:9029)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2022:9029 advisory. The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-nod...

kernel: KVM: cmpxchg_gpte can write to pfns outside the userspace region

A flaw was found in KVM. When updating a guest's page table entry, vmpgoff was improperly used as the offset to get the page's pfn. As vaddr and vmpgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and...

kernel: KVM: VMX: Prevent RSB underflow before vmenter

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Prevent RSB underflow before vmenter On VMX, there are some balanced returns between the time the guest's SPECCTRL value is written, and the vmenter. Balanced returns matched by a preceding call are usually ok, but it's...

kernel: KVM: cmpxchg_gpte can write to pfns outside the userspace region

A flaw was found in KVM. When updating a guest's page table entry, vmpgoff was improperly used as the offset to get the page's pfn. As vaddr and vmpgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and...

PT-2022-5846 · Microsoft · Windows Hyper-V +1

Name of the Vulnerable Software and Affected Versions: Windows Hyper-V affected versions not specified Description: The issue is related to insufficient input validation in the Windows Hyper-V hardware virtualization system, which can be exploited to cause a denial of service. This allows an...

Microsoft Windows Hyper-V security vulnerabilities

Microsoft Windows Hyper-V is an application from Microsoft USA. A system hypervisor virtualization technology that enables desktop virtualization. A security vulnerability exists in Microsoft Windows Hyper-V. The following products and editions are affected: Windows 10 Version 1809 for x64-based...

PT-2022-5951 · Microsoft · Windows Hyper-V +1

Name of the Vulnerable Software and Affected Versions: Windows Hyper-V affected versions not specified Description: The issue is related to insufficient access controls in the Hyper-V hardware virtualization system of Microsoft Windows, allowing an attacker to potentially elevate their privileges...

VMware ESXi buffer error vulnerability

VMware ESXi is a server virtualization platform from VMware that can be installed directly on physical servers. A security vulnerability exists in VMware ESXi| vCenter Server that originates from a contained heap overflow, which could be exploited by an attacker to achieve partial information...

VMware ESXi and vCenter Server security vulnerabilities

VMware ESXi and VMware vCenter Server are both products of VMware, Inc. VMware ESXi is a server virtualization platform that can be installed directly on physical servers. vMware vCenter Server is a suite of server and virtualization management software. The software provides a centralized platfo...

PT-2022-36069 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.8 Description: The issue concerns the initialization of gfn to pfn cache locks in KVM. It was introduced in version v5.17 and fixed in Linux Kernel version v6.0.8. The actual impact and attack plausibility...