Blog Series
Linux Tips & Patch Management
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What is Vulnerability Assessment? How...
Key Takeaways A vulnerability assessment systematically identifies, classifies, and prioritizes security weaknesses across your networks, hosts, applications, and cloud workloads – before attackers find them. Unlike a penetration test, it...
Vulnerability Prioritization: Key Steps, Factors...
Key Takeaways Only 1% of CVEs published in 2024 had confirmed exploitation evidence in the wild – which means most of what your scanner flags doesn’t need urgent action. (VulnCheck)...
Enhance Your Ubuntu Security: Best...
Key Takeaways Ubuntu ships with solid built-in security: AppArmor, UFW, and unattended-upgrades – but defaults only protect you if you actively configure and maintain them. Most Ubuntu compromises come down...
Oracle Linux vs Red Hat:...
Key Takeaways Oracle Linux is free to use with optional paid support, whereas RHEL operates on a subscription model that bundles the OS, updates, and support. Oracle Linux suits Oracle-heavy...
What Is Vulnerability Patching? Benefits...
Key Takeaways One of the most critical yet often overlooked aspects of cybersecurity is the timely patching of vulnerabilities. While much attention is given to sophisticated phishing attacks and the...
WannaCry: The $10.69 Kill Switch...
On May 12, 2017, screens around the world turned red. Forty-eight UK hospitals turned away ambulances. FedEx halted deliveries. Renault stopped production lines in France. Nissan in Sunderland. Telefónica in...
New Kernel CVE-2026-43494 “PinTheft” Grants...
The Short Version What: A new Linux local privilege escalation called PinTheft. It chains a refcount bug in the kernel’s RDS (Reliable Datagram Sockets) zerocopy send path with io_uring to...
Fragnesia (CVE-2026-46300): A New Linux...
Get KernelCare Don’t want a third emergency reboot window this month? KernelCare applies rebootless Linux kernel patches without downtime or disruptions. *Update (2026-05-18, 13:00 UTC): Rebootless patches are available in...
CVE-2026-31431 (Copy Fail): KernelCare Live...
CVE-2026-31431 (“Copy Fail”) is a Linux kernel local privilege escalation in the algif_aead module (AF_ALG). Any unprivileged local user can gain root with a 732-byte Python exploit. All kernels since...
How to Apply Linux Kernel...
Just like a strong foundation is vital for a building, a secure kernel is essential for a secure Linux system. Live patching allows applying security patches to a running kernel...
Oracle End of Life Explained:...
Key Takeaways Oracle Linux End of Life (EOL) means no more official security patches or updates. This leaves your systems vulnerable and non-compliant. Organizations can upgrade, migrate, or extend security....