Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: xen: Speed up grant-table reclaim When a grant entry is still in use by the remote domain, Linux must put it on a deferred list. Normally, this list is very short, because the PV network and block protocols expect the backend to...

SUSE CVE-2023-54081

In the Linux kernel, the following vulnerability has been resolved: xen: speed up grant-table reclaim When a grant entry is still in use by the remote domain, Linux must put it on a deferred list. Normally, this list is very short, because the PV network and block protocols expect the backend to...

CVE-2023-54081

In the Linux kernel, the following vulnerability has been resolved: xen: speed up grant-table reclaim When a grant entry is still in use by the remote domain, Linux must put it on a deferred list. Normally, this list is very short, because the PV network and block protocols expect the backend to...

UBUNTU-CVE-2023-54081

In the Linux kernel, the following vulnerability has been resolved: xen: speed up grant-table reclaim When a grant entry is still in use by the remote domain, Linux must put it on a deferred list. Normally, this list is very short, because the PV network and block protocols expect the backend to...

CVE-2023-54081

In the Linux kernel, the following vulnerability has been resolved: xen: speed up grant-table reclaim When a grant entry is still in use by the remote domain, Linux must put it on a deferred list. Normally, this list is very short, because the PV network and block protocols expect the backend to...

CVE-2023-54081 xen: speed up grant-table reclaim

In the Linux kernel, the following vulnerability has been resolved: xen: speed up grant-table reclaim When a grant entry is still in use by the remote domain, Linux must put it on a deferred list. Normally, this list is very short, because the PV network and block protocols expect the backend to...

Qubes Mirage Firewall 0.8.3 Denial Of Service

Exploit Title: qubes-mirage-firewall v0.8.3 - Denial Of Service DoS Date: 2022-12-04 Exploit Author: Krzysztof Burghardt Vendor Homepage: https://mirage.io/blog/MSA03 Software Link: https://github.com/mirage/qubes-mirage-firewall/releases Version: = 0.8.0 & 0.8.4 Tested on: Qubes OS CVE:...

qubes-mirage-firewall v0.8.3 - Denial Of Service (DoS)

Exploit Title: qubes-mirage-firewall v0.8.3 - Denial Of Service DoS Date: 2022-12-04 Exploit Author: Krzysztof Burghardt Vendor Homepage: https://mirage.io/blog/MSA03 Software Link: https://github.com/mirage/qubes-mirage-firewall/releases Version: = 0.8.0 & 0.8.4 Tested on: Qubes OS CVE:...

qubes-mirage-firewall v0.8.3 - Denial Of Service Exploit

Exploit Title: qubes-mirage-firewall v0.8.3 - Denial Of Service DoS Exploit Author: Krzysztof Burghardt Vendor Homepage: https://mirage.io/blog/MSA03 Software Link: https://github.com/mirage/qubes-mirage-firewall/releases Version: = 0.8.0 & 0.8.4 Tested on: Qubes OS CVE: CVE-2022-46770 PoC exploi...

Qvm-Create-Windows-Qube - Spin Up New Windows Qubes Quickly, Effortlessly And Securely

qvm-create-windows-qube is a tool for quickly and conveniently installing fresh new Windows qubes with Qubes Windows Tools QWT drivers automatically. It officially supports Windows 7, 8.1 and 10 as well as Windows Server 2008 R2, 2012 R2, 2016 and 2019. The project emphasizes correctness, securit...

Qubes OS - A Security-Oriented Operating System

Qubes OS is a security-oriented operating system OS. The OS is the software that runs all the other programs on a computer. Some examples of popular OSes are Microsoft Windows, Mac OS X, Android, and iOS. Qubes is free and open-source software FOSS. This means that everyone is free to use, copy,...

Security Focused Desktop Operating System: Qubes OS

Qubes OS is a security-oriented operating system OS. The OS is the software that runs all the other programs on a computer. Some examples of popular OSes are Microsoft Windows, Mac OS X, Android, and iOS. Qubes is free and open-source software FOSS. This means that everyone is free to use, copy,...

Xen 64bit PV Guest - pagetable use-after-type-change Breakout Vulnerability

Exploit for linux platform in category local exploits Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1231 This is a bug in Xen that permits an attacker with control over the kernel of a 64bit X86 PV guest to write arbitrary entries into a live top-level pagetable. To prevent PV...

The XEN virtual machine monitor appears“deadly”vulnerabilities-vulnerability warning-the black bar safety net

! XEN has always been known for high performance, less resource-intensive, win IBM, AMD, HP, Red Hat and Novell, and many other world-class hardware and software manufacturers of high recognition and strong support of many domestic and foreign enterprises and users to use XEN to build a...

Xen Patches VM Escape Vulnerability

The Xen Project, which oversees the open source Xen hypervisor, yesterday patched a seven-year-old vulnerability that allows an attacker to escape a guest virtual machine and attack the host operating system. The flaw is so bad that the developers of the Qubes OS Project, a security-heavy operati...

THN Weekly RoundUp – 12 Hacking Stories You Don’t Want To Miss This Week

Here we are with our weekly roundup, showcasing last week's top cyber security threats and challenges. Just in case you missed any of them ICYMI, THN Weekly Round-Up helps you provide all important stories of last week in one shot. We advise you to read the full story just click ‘Read More’ becau...

Qubes OS Release Enhances Security Via Domain Isolation

With the deluge of malware and advanced attacks continuing unabated, security approaches that sandbox applications or isolate processes are garnering increased attention. Researcher Joanna Rutkowska and Invisible Things Lab were the latest to go in that direction with the official release on...

Qubes OS : An Operating System Designed For Security

Qubes OS : An Operating System Designed For Security Qubes is an open source operating system designed to provide strong security for desktop computing. Qubes is based on Xen, X Window System, and Linux, and can run most Linux applications and utilize most of the Linux drivers. In the future it...

Rutkowska's Qubes OS to Implement Disposable VMs

Joanna Rutkowska’s Qubes OS project will include a feature to create one-time use-and-discard virtual machines. The idea behind Disposable VMs is to have very lightweight virtual machines that can be created and booted quickly with a sole purpose of hosting only one application. “Then, once you’r...

Researchers Get Funding for New Secure Operating System

Researchers at the University of Illinois at Chicago have received a $1.15 million grant from the National Science Foundation to build a new computer operating system based on virtual machines and the concept of isolation. The new OS project, called Ethos, is the brainchild of UIC associate...