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Security Vulnerabilities 
cisa kev vulnerability prioritization
cisa kev vulnerability prioritization Organizations should combine the NVD and CISA KEV catalog to prioritize vulnerabilities effectively, focusing on managing real risks rather than being overwhelmed by theoretical scores and alert fatigue.. To solve this, organizations typically lean on the National Vulnerability Database (NVD) and CISA’s Known Exploited Vulnerabilities Catalog. But these aren’t competing lists. They answer two entirely different questions. While the NVD provides baseline technical metrics aligned with the...
Jul 22, 2026
Desktop Securitysecurity advisory vulnerability
security advisory vulnerability GNOME is officially shortening its standard vulnerability disclosure window from 90 days to 30 days, a change that impacts upstream maintainers, downstream Linux distributions, and system administrators in how they handle software vulnerabilities. The policy shift, announced by long-time security coordinator Michael Catanzaro , addresses modern software patching realities and a growing influx of automated submissions. . Because GNOME is the default desktop environment on several major Linux...
Jul 21, 2026
Security Vulnerabilities security advisory moderate
security advisory moderate For organizations that run a self-hosted Git platform, it’s no longer just about hosting static code repositories. Today, Git servers are responsible for deployment pipelines, API tokens, SSH keys, package repositories, and the automation scripts that push code directly. Confirm that the upgrade addresses known vulnerabilities but also provides production environments. . That makes them trusted systems within the development environment and attractive targets for attackers looking to move...
Jul 20, 2026
Server Securitydata privacy automation
data privacy automation Every system admin has lived through the same Monday morning ritual. A queue of forty tickets, half of them password resets, permission errors, or disk space warnings that any experienced technician could resolve in under two minutes. The other half require actual judgment. For years, automation promised that software would eventually sort the two apart on its own. That promise is now being tested in production Linux environments. . Early results are reshaping how IT teams think about tier-1...
Jul 17, 2026
Privacydata collection automation
data collection automation You're running a web scraping project to collect pricing data from e-commerce sites. You set up a pool of datacenter proxies, launch your scripts, and within minutes — banned . CAPTCHAs everywhere. Your data pipeline stops before it really begins. . It's a frustrating scenario that plays out daily in ad verification, market research, and multi-account management. The website doesn't know you're doing legitimate research or monitoring. It just sees traffic coming from IP ranges it recognizes as...
Jul 17, 2026
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210
security advisoryRed HatcriticalMak’s Weekly Security Roundup: Linux Updates You Shouldn't Ignore This Week
Before the week gets away from you, take a look at what's landed across the Linux ecosystem. The volume of security advisories hasn't slowed, and while not every update demands an emergency maintenance window, several deserve to move to the top of your patch queue. This week's updates span the kernel, remote desktop infrastructure, VPNs, containers, browsers, and the utilities Linux systems quietly depend on every day. Individually, these look routine. Together they show how quickly attackers can take advantage of organizations that let routine patches pile up. . Why This Week Matters One thing stood out as I worked through this week's advisories: nearly every layer of a modern Linux deployment received security attention. The operating system, remote administration tools, browsers, VPN software, container platforms, and the utilities Linux systems quietly depend on all received meaningful security updates. None of these vulnerabilities dominate the headlines on their own, but together they reinforce an important lesson: small, delayed patches have a habit of becoming much bigger security problems. Kernel Updates: Priority Kernel maintenance remains the most critical—and often most postponed—task. Ubuntu and Red Hat published multiple advisories covering networking, filesystems, and drivers. With several fixes addressing privilege escalation and container-escape scenarios—including several affecting privilege escalation and container-related components —these updates are essential. If you only have one reboot window this week, use it for the kernel. Hardening Remote Access and Orchestration FreeRDP 3.29 : This release addresses 22 vulnerabilities while introducing significant runtime hardening. Given its prevalence in enterprise environments, this update is a priority. OpenShift: Red Hat released security updates for 4.20 , 4.21 , and 4.22 . As the control plane for your infrastructure, securing the orchestration layer is paramount. VPNs: OpenVPN addressed multiple issues, including proxy and metadata handling. As internet-facing gateways, these should be prioritized. Browsers and Foundational Plumbing Browsers remain high-value targets. Firefox and Thunderbird updates are vital, particularly for administrator workstations. Additionally, ensure you address updates to Python Pillow and cifs-utils to maintain the integrity of your environment's "plumbing." Patching Priority Category Recommended Priority Linux Kernel Critical (Highest priority) Internet-Facing Services (OpenVPN) High Remote Access & Orchestration (FreeRDP, OpenShift) High Foundational Utilities (Wget, Python, GnuTLS) Medium/Ongoing End-User Apps (Firefox, Thunderbird) Medium/Ongoing Linux security isn't just about responding to the latest critical CVE; it’s about consistently reducing the attack surface. Consistent, disciplined patching remains your most effective defense against the cumulative risk of the modern threat landscape. . This week's roundup highlights crucial Linux security updates for your systems, emphasizing the urgency of timely patching.. Linux updates, security advisories, patch management, system vulnerabilities, open source software. . MaK Ulac
Jul 15, 2026
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Security Vulnerabilities
210
security advisorycriticalUbuntuMak's Security Roundup: Prioritizing This Week's Critical Updates
Before you close out the week, check what still needs to be patched. . The list is not small. Ubuntu and Red Hat pushed kernel updates. OpenVPN and OpenShift both received security fixes. Several everyday Linux components were patched too, including Vim, nginx, cifs-utils, LibVNCServer, nghttp2, and Perl. That is the kind of week administrators can easily write off as routine. It should not be. These are the updates that keep small openings from turning into real access. Why This Week Looks Different One notable trend this week is the sheer volume of vendor advisories rather than a single dominant vulnerability. Ubuntu and Red Hat released updates across kernels, enterprise platforms, VPN software, and commonly deployed utilities. That pattern reflects today's Linux security landscape, where reducing risk often depends more on maintaining patch discipline than responding to one high-profile event. Linux Kernel Security Updates Kernel updates are easy to postpone because they usually mean a reboot. That's exactly why they keep showing up on patch backlogs. This week's updates include fixes for privilege escalation and container-related issues . Those aren't the vulnerabilities I'd be comfortable leaving unpatched for long. If someone already has a foothold on a server, the kernel is often where they try to go next. The less time those flaws sit in production, the better. Strengthening the Perimeter: OpenVPN The OpenVPN 2.7.5 update addresses seven security vulnerabilities, including issues with DNS handling, TLS-Crypt-v2 implementation, and proxy behavior. As the "front door" of the modern distributed enterprise, VPN gateways are inherently exposed and must be prioritized. Because VPN gateways are internet-facing, administrators should prioritize these updates to reduce the risk of unauthorized access, denial-of-service conditions, or other attacks addressed by the released fixes. Patching ensures that your remote access infrastructure remains a secure gateway ratherthan an entry point for unauthorized actors. Orchestration Integrity: OpenShift Red Hat OpenShift 4.19.36 and OpenShift 4.15.66 include security updates for the platform’s container infrastructure. As organizations shift toward microservices, OpenShift has become the operating system of the data center. Because OpenShift manages workloads across the cluster, a compromise of the orchestration layer can have broad security implications. Keeping OpenShift current helps reduce the risk of attackers exploiting vulnerabilities that could expose administrative components, workloads, or sensitive configuration data. Reducing that exposure also limits their ability to gain broader visibility or control over the production environment. Maintaining the Ubiquitous "Plumbing" Beyond the headline infrastructure components, several widely deployed utilities—including Vim , nginx , cifs-utils , LibVNCServer , nghttp2 , and Perl —received security attention this week. These utilities are the "plumbing" of Linux, used in almost every deployment and serving as dependencies for larger applications. Widely deployed utilities often become part of larger attack chains because they are present on so many systems. Delaying these seemingly minor updates can leave commonly deployed software exposed, creating opportunities for attackers to incorporate them into larger attack chains after gaining an initial foothold. Supply Chain Vigilance via Hardened Images Red Hat continues to ship updates for Hardened Images , including AI Base Images and container images. This reflects the industry shift toward "secure-by-design" infrastructure. Relying on stale base images is a common way organizations introduce known vulnerabilities into production. While automated scanners can quickly identify these vulnerabilities, your environment remains at risk until the underlying images are updated to a hardened baseline. The New Security Reality This week’s activity provides a vital snapshot ofthe current threat landscape, highlighting several key takeaways for security and infrastructure teams: Adopt a "Time-to-Exploit" Mindset: For internet-facing software, the window between public disclosure and exploitation is increasingly measured in hours or days, making timely patching more important than ever. Move Beyond Silos: You cannot secure your environment by patching in isolation. You must treat kernels, containers, and VPNs as a single, interdependent surface. Prioritize Ruthlessly: If your team is overwhelmed, follow this hierarchy: 1. Internet-facing services: (VPN gateways, web servers). 2. Kernel and privilege escalation fixes: (Reducing the risk of host compromise and container escape). 3. Ubiquitous utilities: (Vim, Perl, etc., to block lateral movement). What Matters Most This Week If this week's updates have one thing in common, it's that none of them can really be ignored. Kernel patches, VPN software, container platforms, and the tools that quietly support Linux systems all received security fixes. That's becoming a pretty normal week for Linux administrators. Nobody has an unlimited maintenance window. If you have to make choices, start with the systems that are easiest for an attacker to reach. Kernel updates shouldn't sit in the queue for long either, especially when they address privilege escalation or container-related issues. After that, work through the remaining utilities before they become next month's backlog. How is your team handling the growing volume of Linux security updates without falling behind on day-to-day operations? . Stay updated on critical patches for Linux systems from Ubuntu and Red Hat, vital to protect against threats.. Linux Kernel Security, OpenVPN Security Updates, Red Hat Patches, Ubuntu Updates, OpenShift Security. . MaK Ulac
Jul 03, 2026
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Security Vulnerabilities
67
network securitydata encryptionopenvpnChoosing Between WireGuard and OpenVPN For Maximum Online Protection
WireGuard and OpenVPN keep you safe online, but which is best? . In our modern day, protecting ourselves online is crucial. With so many third parties and malicious actors trying to get their hands on our data, it’s paramount to do what we can to stay safe. Using a VPN is a great way to do this; WireGuard and OpenVPN are solid options. But how do these two protocols work, and which is best for you? Virtual private networks (VPNs) are now widely popular around the world. Using this technology, an individual can both mask their IP address and encrypt their online data. This is done using something called a remote server. When you send your online traffic through this server, it is fully encrypted and therefore indecipherable to anyone who wishes to view it. (For an in-depth look at what a VPN is and why you should be using one , we’ve got you covered.) . Delve into the capabilities of WireGuard and OpenVPN to protect your internet activities from external dangers.. WireGuard, OpenVPN, VPN Comparison, Network Protection, Data Security. . LinuxSecurity.com Team
Oct 09, 2022
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Cryptography
74
network securityopen sourceopenvpnUnderstanding WireGuard's Rise in Linux as the Leading VPN
Even the best of ideas can take their own sweet time making it into the Linux kernel. Learn how WireGuard - rather than OpenVPN or IKEv2 - made it into the Linux kernel. . Maybe someday – maybe – Zero Trust will solve many of our network security problems. But for now, if you want to make sure you don't have an eavesdropper on your network, you need a Virtual Private Network (VPN). There's only one little problem with commercial VPNs: many of them are untrustworthy . So, what can you do? Well, run your own of course is the open-source answer. And, today, your VPN of choice is Linux's built-in VPN: WireGuard. . WireGuard has quickly become the favored VPN for Linux users owing to its simplicity, speed, and robust security, making it a top choice over traditional protocols. WireGuard, Linux VPN, Open Source Security, Network Trust, Security Architecture. . Brittany Day
Dec 09, 2021
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Network Security
83
security advisoryremote executionopenvpnOpenVPN Risk Assessment: Shellshock Attack Vectors And Remote Execution
OpenVPN wasn. Stromberg said the attack vector in OpenVPN is particularly dangerous because it The link for this article located at ThreatPost is no longer available. . Stromberg said the attack vector in OpenVPN is particularly dangerous because itThe link for this ar. openvpn, stromberg, attack, vector, particularly, dangerous, because, itthe. . LinuxSecurity.com Team
Oct 02, 2014
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Hacks/Cracks
81
networkingsoftwarelinuxOpenVPN Installation Guidelines for Linux and Unix Systems
Installing OpenVPN is easy and platform independent. Modern Linux systems, such as SuSE, Red Hat, Debian, or Ubuntu, provide sophisticated installation and package management systems, and still offer other ways to install the software. In this two-part article by Markus Feilner, we will install it on different Linux versions and FreeBSD.. All Linux/Unix systems must meet the following requirements to install OpenVPN successfully: Your system must provide support for the Universal TUN/TAP driver. The kernels newer than version 2.4 of almost all modern Linux distributions provide support for TUN/TAP devices. Only if you are using an old distribution or if you have built your own kernel, will you have to add this support to your configuration. This project's web site can be found at https://vtun.sourceforge.net/tun/. OpenSSL libraries have to be installed on your system. I have never encountered any modern Linux/Unix system that does not meet this requirement. However, if you want to compile OpenVPN from source code, the SSL development package may be necessary. The web site is https://www.openssl.org:443/. The Lempel-Ziv-Oberhumer (LZO) Compression library has to be installed. Again, most modern Linux/Unix systems provide these packages, so there shouldn't be any problem. LZO is a real-time compression library that is used by OpenVPN to compress data before sending. Packages can be found on https://openvpn.net/community/ and the web site of this project is http://www.oberhumer.com/opensource/lzo/. The link for this article located at PactPub is no longer available. . All Linux/Unix systems must meet the following requirements to install OpenVPN successfully: Your sy. installing, openvpn, platform, independent, modern, linux, systems. . LinuxSecurity.com Team
Dec 05, 2009
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Privacy
74
network securityremote accessopenvpnEffortless OpenVPN Configuration for Safe Remote Connectivity
Virtual private networks (VPNs) are a means for connecting to a remote network and making it look like a local one. This means you can connect to your work location and have full access to resources (if so configured on the work side), such as shared printers, work files, etc. There are a number of VPN products freely available; some are kernel-level like openswan and can be fairly difficult to configure. OpenVPN, available at https://openvpn.net/, doesn't require patching the kernel and can be extremely straightforward. Configuration is more difficult if you want to use a lot of its features, but for a quick client/server VPN, you can be up and running in minutes. . The link for this article located at ZDNet.co.uk is no longer available. . Master the quick configuration of OpenVPN for safe remote network connectivity with simplicity and effectiveness.. OpenVPN, VPN Setup, Remote Access, Network Security, Private Networks. . Benjamin D. Thomas
Jun 27, 2006
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Network Security
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