Understanding CVE-2025-40177: A Critical Linux Kernel Vulnerability The Linux kernel recently addressed a significant vulnerability identified as CVE-2025-40177. This issue primarily revolves around the bootlog initialization ordering within the accel/qaic driver. Addressing this vulnerability is crucial for system administrators, hosting providers, and web server operators to ensure the security and stability of their Linux servers. […]

Understanding the CVE-2025-40171 Vulnerability The recent discovery of CVE-2025-40171 highlights a critical vulnerability in the Linux kernel. This issue arises from the nvmet-fc subsystem, which allows multiple asynchronous commands to remain active concurrently. This situation can lead to a resource leak, affecting server stability and security. System administrators and hosting providers must heed this notification, […]

Understanding CVE-2025-40177: A Critical Linux Kernel Vulnerability The Linux kernel recently addressed a significant vulnerability identified as CVE-2025-40177. This issue primarily revolves around the bootlog initialization ordering within the accel/qaic driver. Addressing this vulnerability is crucial for system administrators, hosting providers, and web server operators to ensure the security and stability of their Linux servers. […]

Understanding the CVE-2025-40171 Vulnerability The recent discovery of CVE-2025-40171 highlights a critical vulnerability in the Linux kernel. This issue arises from the nvmet-fc subsystem, which allows multiple asynchronous commands to remain active concurrently. This situation can lead to a resource leak, affecting server stability and security. System administrators and hosting providers must heed this notification, […]

We are so proud and excited to announce that BitNinja team is one of the eight selected startups in Cyber London’s second accelerator programme. It has been a long-awaited goal of us which is a perfect opportunity to rise BitNinja to the next level. It means lots of passionate work, helpful mentorship and a dynamic environment to […]

2015 was a big year both for our team and for you who use BitNinja on your servers to make the Internet a safer place. We are so proud of our community, full of committed and passionate hacker hunters. A lot has happened this year and now, nearing the end of it, it feels good […]

Mystery is on the horizon, ladies and gentlemen! And we always get excited about unappreciated server attacks. Just like in case of this ‘abdulkarrem’ one. Come, put on the role of Sherlock Holmes with us. Recently, there is a very frequent attack type. More and more sysadmin experience and complain about malicious request like these: […]

BitNinja has two very efficient detection modules. Log analysis and DoS detection does a great job in filtering attacks, but they are lack of one very important thing. Log analysis can only work on requests already reached your server. There are attacks like login brute force attacks, where it is not a problem as there […]

Our Ninja Lab is always full of fantastic ideas and improvements. Sometimes it’s an easy ride to develop a terrific feature, sometimes it takes longer to find the right recipe. Yes, you guessed well, we are talking about the web application firewall module. But thanks to our enthusiastic users’ contribution in development and to our […]

HostingCon Europe was such a fun event this year and provided a way different experience for us, than being an exhibitor back in San Diego, at the global event. Fizzing atmosphere, great exhibitors, excellent organization and various visitors guaranteed our great time during this couple of days. Some warming up We are so proud to […]

We are happy to announce a long-awaited function at the BitNinja dashboard that facilitates your job to analyze attacks. The first step was to make the incident flow more transparent and clear for you. Many of you have a significant number of servers with huge traffic day by day. As you know, on average, 50% […]

We have terrific news again: BitNinja is able to directly fight against CryptoPHP malware. But what is this backdoor? And what does it do with your servers? Find out from our blog. What is CryptoPHP? CryptoPHP is a backdoor used for spamming and illegal search engine optimization (blackhat SEO) actions. This script provides remote control to […]

After BitNinja’s success at HostingCon Global, we decided to visit the ’little brother’ of this event, HostingCon Europe. Let’s meet in Amsterdam on September 22-23! (Don’t forget about the early bird discount, available until 5th September.) Also coming to the event? Write us an email and meet us there, let’s have a coffee together.

Understanding the CVE-2025-40172 Vulnerability A recent vulnerability identified as CVE-2025-40172 has raised concerns among system administrators and hosting providers. This issue exists within the Linux kernel and poses significant risks to server security. Understanding this vulnerability will help you protect your systems effectively. Summary of the Vulnerability The CVE-2025-40172 vulnerability revolves around the find_and_map_user_pages() function […]

Recent CVE Threat: Understanding CVE-2025-40173 The recent CVE-2025-40173 vulnerability in the Linux kernel has raised significant concerns among system administrators and hosting providers. This flaw affects the ip6_tunnel module, where adjustments to tunnel headroom were previously without limits. It can lead to perpetual tunnel growth, consuming server resources. Why This Matters for Server Security This […]

CVE-2025-40174: A Vulnerability Overview The recent discovery of the CVE-2025-40174 vulnerability in the Linux kernel has raised significant concerns. This issue revolves around a flaw in the memory management system of Linux servers, specifically in the switching mechanism for multi-processor systems. Understanding the Threat This vulnerability could lead to improper memory handling, resulting in potential […]