Tagged articles

rtmutex

2 articles · Page 1 of 1

Jul 11, 2026 · Information Security

GhostLock: 15‑Year‑Old Stack UAF Vulnerability in All Linux Distributions (CVE‑2026‑43499)

GhostLock (CVE‑2026‑43499) is a stack‑use‑after‑free bug that has existed in every major Linux distribution for over 15 years, can be triggered without special kernel configuration, and enables a high‑reliability privilege‑escalation and container‑escape chain that the authors detail step‑by‑step, including mitigation patches and a timeline of disclosure.

CVE-2026-43499GhostLockLinux kernel

0 likes · 19 min read

GhostLock: 15‑Year‑Old Stack UAF Vulnerability in All Linux Distributions (CVE‑2026‑43499)

OPPO Kernel Craftsman

Jul 11, 2025 · Fundamentals

Why Android’s Scheduler Struggles: Load Normalization, CPU Frequency, and Priority Inversion Explained

This article dissects Android’s task scheduling challenges by correcting misconceptions about virtual runtime, detailing load‑normalization using WAL‑T, deriving a frequency‑aware task_load formula, exposing the chicken‑egg problem between load and frequency, and exploring priority inversion and rtmutex as a mitigation strategy.

AndroidCPU FrequencyLinux scheduler

0 likes · 17 min read

Why Android’s Scheduler Struggles: Load Normalization, CPU Frequency, and Priority Inversion Explained