PwnKit

2025-04-09

CVE-2021-4034 aka PwnKit is a local privilege escalation vulnerability found in polkit’s pkexec utility, a setuid tool that allows unprivileged ... Read More

QR code

2025-04-09

A QR code (Quick Response code) is a type of two-dimensional barcode that stores information in a matrix of black and white squares, allowing for ... Read More

qrencode

2025-04-09

qrencode is a command-line utility to generate QR codes and save as PNG files. https://linux.die.net/man/1/qrencode Read More

hash table

2025-04-08

Hash tables are data structures that store data in a way enabling very fast lookups by using a hash function to map keys to values and sort them in ... Read More

uthash

2025-04-08

uthash is a portable hash table for C structures https://troydhanson.github.io/uthash/ Read More

destructor

2025-04-05

Destructors are code within shared objects or libraries that is ran when the module is unloaded, exits, or is otherwise done being used. Read More

/proc/kmsg

2025-04-04

/proc/kmsg on procfs-enabled systems provides a userspace interface to the kernel’s logging ring buffer. Read More

cleanup_module

2025-04-04

cleanup_module is the default cleanup function name in Linux Loadable Kernel Modules. The Linux kernel creates an alias for cleanup_module even if the ... Read More

eBPF

2025-04-04

Extended Berkeley Packet Filter (eBPF) is a Linux kernel technology that allows users to program the kernel for networking, observability, tracing, ... Read More

HIDS

2025-04-04

Host Intrusion Detection Systems (HIDS) are host-based cybersecurity tools that monitor for signs of security compromise, policy violation, or ... Read More