Critical Linux Server Vulnerability CVE-2026-23210 The recent discovery of CVE-2026-23210 highlights a critical vulnerability in the Linux kernel. This flaw involves a NULL pointer dereference during the Virtual Switch Instance (VSI) rebuild process, which can severely impact server security. Understanding this vulnerability is crucial for system administrators and hosting providers to protect their Linux servers […]

Understanding the Recent Linux Kernel Vulnerability The Linux kernel has been relatively stable, but recent vulnerabilities remind us that server security remains paramount. One such vulnerability recently emerged regarding the Kernel-based Virtual Machine (KVM). Understanding these vulnerabilities is crucial for system administrators, hosting providers, and web server operators. Summary of the Incident The issue at […]

Critical Linux Server Vulnerability CVE-2026-23210 The recent discovery of CVE-2026-23210 highlights a critical vulnerability in the Linux kernel. This flaw involves a NULL pointer dereference during the Virtual Switch Instance (VSI) rebuild process, which can severely impact server security. Understanding this vulnerability is crucial for system administrators and hosting providers to protect their Linux servers […]

Understanding the Recent Linux Kernel Vulnerability The Linux kernel has been relatively stable, but recent vulnerabilities remind us that server security remains paramount. One such vulnerability recently emerged regarding the Kernel-based Virtual Machine (KVM). Understanding these vulnerabilities is crucial for system administrators, hosting providers, and web server operators. Summary of the Incident The issue at […]

On 19 February 2020, Wordfence reported a highly critical vulnerability found in the popular Duplicator plugin for WordPress. This plugin is useful when users want to migrate and copy WordPress sites. With Duplicator, sysadmins can create a new copy of the site and the generated file can be downloaded from the WP dashboard. WordPress Duplicator Plugin Zero-day […]

Critical Issues for Companies Looking to Get On Board the 5G, AI Revolution As companies brace themselves for the ongoing fourth industrial revolution, cybersecurity remains high on the agenda. Executives are wary about the challenges that accompany emerging major technologies such as 5G, but Artificial Intelligence (AI) is widely regarded as a cyber-security life line. […]

Hackers and cyberattack techniques are evolving every day. Hosting companies and every server owner should keep an eye on the cybersecurity news to prepare themselves and protect their systems against the new types of threats. That’s why BitNinja collects the hottest cybersecurity news and sends out a Cybersecurity Digest each month. Now, we’ve summarized the […]

As 2019 will be over soon, it’s time to stop for a while and look back on what happened this year. 2019 was a unique year at BitNinja (you’ll see on the results). We got closer to our mission – making the internet a safer place. However, we couldn’t have reached the successes mentioned below […]

An exploited CMS vulnerability or vulnerabilities to web-based attacks is a big security issue as one well-aimed attack can cause a data leak, data loss or make your server unavailable. These attacks need to be stopped before they even reach your server and the WAF 2.0 module can do that for you. This powerful defense […]

Valicom Net is a Cloud Hosting Company in Cyprus with more than 15 years of experience specializing in Business Web Hosting, Cloud Services, Virtual Private Servers, Dedicated Servers, Hosted Exchange, Web Development with Content Management System, Network Security, Antispam Services, Online Storage Email & Remote Backup. Challenges „As we offer managed and unmanaged services, the […]

Aitire is a small MSP (Managed Service Provider) company located in Spain. They have more than 10 years of experience in computer consulting, Free Software, Open Source, GNU / Linux, etc… They aspire every day to maximize their technology and provide the best tools to their clients. Challenges „We usually work with rpm based Linux […]

Our Port Honeypot module proactively catches botnets very quickly, as botnets usually start to scan open ports, which is the first step of the attack cycle. We found an old IoT botnet that became active again. It strangely happened just 2 months after 21-year-old Kenneth Schuchman pleaded guilty to developing and deploying the Satori botnet. […]

On 3 Dec 2019, we released a new agent version (2.6.4) to fix the cert update bug in the SSL Terminating module, but unfortunately, some dependencies caused serious issues (kernel panic, redirection problems) on some CentOS 6 and CentOS 7 servers. It affected only 2% of the BitNinja protected servers because it occurred only in […]

Introduction Server security is critical for hosting providers and web server operators. Recently, a vulnerability identified as CVE-2026-23199 has emerged in the Linux kernel regarding the procfs file system. This issue poses potential risks that server administrators must understand and mitigate effectively. Summary of the Vulnerability The Linux kernel vulnerability CVE-2026-23199 involves the procfs file […]

Understanding CVE-2026-23201: A Critical Linux Kernel Vulnerability The Linux kernel recently faced a vulnerability labeled CVE-2026-23201. This vulnerability affects the ceph module, leading to potential server crashes when reading ceph snapshot directories. This incident raises significant concerns for system administrators and hosting providers, especially those operating Linux servers. What is CVE-2026-23201? CVE-2026-23201 addresses a kernel […]

Understanding CVE-2026-23187 and Its Implications for Server Security The recent disclosure of CVE-2026-23187 highlights a critical vulnerability in the Linux kernel affecting server security. This flaw could allow unauthorized access and potential exploitation if left unaddressed. Overview of CVE-2026-23187 This vulnerability pertains to an out-of-range access issue in the imx8m_blk_ctrl_remove() function. It is crucial for […]