[SECURITY] Fedora 33 Update: libslirp-4.3.1-5.fc33

A general purpose TCP-IP emulator used by virtual machine hypervisors to provide virtual networking services...

[SECURITY] Fedora 34 Update: libslirp-4.4.0-4.fc34

A general purpose TCP-IP emulator used by virtual machine hypervisors to provide virtual networking services...

Critical VMware Carbon Black Bug Allows Auth Bypass

VMware has fixed an uber-severe bug in its Carbon Black App Control AppC management server: A server whose job is to lock down critical systems and servers so they don’t get changed willy-nilly. AppC also ensures that organizations stay in continuous compliance with regulatory mandates. This is a...

VulnCheck KEV: CVE-2021-1498

Cisco HyperFlex HX Installer Virtual Machine contains an insufficient input validation vulnerability which could allow an attacker to execute commands on an affected device as the tomcat8 user...

[SECURITY] Fedora 34 Update: xen-4.14.2-2.fc34

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

CentOS: Security Advisory for qemu-img (CESA-2021:2322)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH 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-or-later This program is free software; you can...

A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host resulting in a denial of service or potential code execution with the privileges of the QEMU process.

...

SUSE: Security Advisory (SUSE-SU-2019:14052-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

Xen 信息泄露漏洞

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. An information disclosure vulnerability exis...

PT-2024-11268 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.13.0 Description: The issue is related to the KVM: x86 component of the Linux kernel, where a bug existed since the tracepoint was added, but was recently exposed by a new check in tracing to detect exactly th...

Cambridge Xen 安全漏洞

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. A security vulnerability exists in XEN that...

kernel: userspace applications can misuse the KVM API to cause a write of 16 bytes at an offset up to 32 GB from vcpu->run

A flaw was found in the Linux kernel. The value of internal.ndata, in the KVM API, is mapped to an array index, which can be updated by a user process at anytime which could lead to an out-of-bounds write. The highest threat from this vulnerability is to data integrity and system availability...

Exploit for CVE-2021-28476

CVE-2021-28476: a guest-to-host "Microsoft Hyper-V Remote Code...

Unspecified Vulnerability in KubeVirt

Kubevirt is a virtual machine manager. A security vulnerability exists in KubeVirt versions prior to 0.26.0, which can be exploited by an attacker to read the contents of any secret attached to its namespace...

spice-vdagent: possible file transfer DoS and information leak via active_xfers hash map

A flaw was found in the SPICE file transfer protocol. File data from the host system can partially or fully end up in the client connection of an unauthorized local user in the VM system. Active file transfers from other users could also be interrupted, resulting in a denial of service. The highe...

spice-vdagent: memory DoS via arbitrary entries in active_xfers hash table

A flaw was found in the way the spice-vdagentd daemon handled file transfers from the host system to the virtual machine. This flaw allows any unprivileged local guest user with access to the UNIX domain socket path /run/spice-vdagentd/spice-vdagent-sock to perform a memory denial of service for...

A flaw was found in the Linux kernel in versions before 5.12. The value of internal.ndata in the KVM API is mapped to an array index which can be updated by a user process at anytime which could lead to an out-of-bounds write. The highest threat from this vulnerability is to data integrity and system availability.

...

Microsoft Azure Virtual Machine信息泄露漏洞（CVE-2021-27075）

CVE-2021-27075: Microsoft Azure Vulnerability Allows Privilege Escalation and Leak of Private Data Written by Paul Litvak - 11 May 2021 In this post I will explain how the Microsoft Azure Virtual Machine VM extension works and how we found a fatal vulnerability in the extension mechanism affectin...

CVE-2021-29511

evm is a pure Rust implementation of Ethereum Virtual Machine. Prior to the patch, when executing specific EVM opcodes related to memory operations that use evmcore::Memory::copylarge, the evm crate can over-allocate memory when it is not needed, making it possible for an attacker to perform...

CVE-2021-29511

CVE-2021-29511 affects the Rust EVM implementation (evm crate). Before the patch in commit 19ade85, certain memory-opcodes using memory::copy_large could cause memory over-allocation, enabling a denial-of-service. Remediation: upgrade evm to >=0.26.1, or to specific newer releases (0.21.1, 0.2...