CVE-2026-31431 \"Copy Fail\": A Deep Dive into the Linux algif_aead Privilege Escalation
Vulnerability Overview Field Detail CVE ID CVE-2026-31431 Nickname Copy Fail CVSS 3.1 7.8 (HIGH) — AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Affected comp…
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Building NexisK: A Technical Deep Dive into My i386 Kernel
Building NexisK: Inside My i386 Kernel, Custom Bootloader and Memory Management Building an operating system kernel from scratch is not primarily ab…
Kernel & Embedded News: Arm64 Drops Big-Endian, Boots CPUs in Parallel
Arm64 platform direction dominated this week: Will Deacon posted v2 of the series that removes big-endian kernel support, aimed at Linux 7.4, and a…
isolcpus= takes CPUs off the scheduler. Hardware IRQs still land there.
The blunt tool is still in a lot of GRUB files: GRUB_CMDLINE_LINUX_DEFAULT = "isolcpus=0,1" Then update-grub (or grub2-mkconfig ) and reboot. Usersp…
In-Tree vs Out-of-Tree Driver: Where Your Code Should Live
For hardware your company owns and intends to ship for years, default to putting the driver in mainline and carrying only the part you have not land…
RVBBIT: What I Learned Building a Linux Kernel Rootkit PoC — and Why I Ended Up Studying Detection
I didn't start RVBBIT with the idea of building a security framework. It was much simpler than that. I wanted to understand Linux rootkits beyond re…
Kernel & Embedded News: Linux 7.2 Nears Release; Swap I/O Rework
Linux 7.2 is expected as a stable release around 16 August 2026, so teams carrying an embedded BSP should test against the release candidates now, e…
Architecting Mainline-Friendly Products
Mainline-friendly products are designed so their board support lives in upstream Linux, U-Boot, and standard build systems instead of a vendor fork.…
Unpacking GhostLock: A 15-Year-Old Linux Stack UAF Vulnerability Revealing Deep Security Lessons
Originally published on tamiz.pro . GhostLock, designated CVE-2023-32233, is a use-after-free (UAF) vulnerability discovered in the Linux kernel's N…
Swap Fire on My VPS: A Nightmare That Started with a Kernel CVE Patch
Sudden Increase in Swap Usage: Symptoms and Initial Findings This morning, when I connected to my server, I wanted to check the system health before…
VPS Swap Fire: A Nightmare Started by a Kernel CVE Patch
Last week, precisely on a Monday morning, the "Critical Alert" notifications on my monitor struck fear into my eyes. The systems running on my own V…