<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Rtmutex — PoC Archive</title><link>https://poc.intelseclab.com/tags/rtmutex/</link><description>Latest proof-of-concept entries.</description><generator>Hugo</generator><language>en-us</language><lastBuildDate>Wed, 08 Jul 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://poc.intelseclab.com/tags/rtmutex/index.xml" rel="self" type="application/rss+xml"/><item><title>Linux Kernel rtmutex Priority-Inheritance Stack-UAF — "GhostLock" (CVE-2026-43499, Nebula Security weaponized variant)</title><link>https://poc.intelseclab.com/pocs/binary/2026-07-08_cve-2026-43499-ghostlock-nebula-security/</link><pubDate>Wed, 08 Jul 2026 00:00:00 +0000</pubDate><guid>https://poc.intelseclab.com/pocs/binary/2026-07-08_cve-2026-43499-ghostlock-nebula-security/</guid><description>High severity (CVSS 7.8) — binary · CVE-2026-43499 (aka "GhostLock"). Status: Weaponized (per Nebula Security disclosure); no exploit code mirrored into this repo, see Notes. Affects: Linux kernel — rtmutex priority-inheritance (futex-PI) subsystem, CONFIG_FUTEX_PI. Tags: linux-kernel, use-after-free, futex, rtmutex, priority-inheritance, lpe, local, container-escape, kernelctf, ghostlock.</description><category>binary</category><category>High</category><category>linux-kernel</category><category>use-after-free</category><category>futex</category><category>rtmutex</category><category>priority-inheritance</category><category>lpe</category><category>local</category><category>container-escape</category><category>kernelctf</category><category>ghostlock</category></item><item><title>Linux Kernel Futex-PI rtmutex remove_waiter() Use-After-Free (CVE-2026-43499)</title><link>https://poc.intelseclab.com/pocs/binary/2026-07-05_cve-2026-43499-rtmutex-remove-waiter-uaf/</link><pubDate>Sun, 05 Jul 2026 00:00:00 +0000</pubDate><guid>https://poc.intelseclab.com/pocs/binary/2026-07-05_cve-2026-43499-rtmutex-remove-waiter-uaf/</guid><description>High severity (CVSS 7.8) — binary · CVE-2026-43499. Status: PoC. Affects: Linux kernel — kernel/locking/rtmutex.c, futex-PI subsystem (futex_requeue() / rt_mutex_start_proxy_lock()). Tags: linux-kernel, android, use-after-free, futex, rtmutex, priority-inheritance, lpe, local, kernel-panic, ndk.</description><category>binary</category><category>High</category><category>linux-kernel</category><category>android</category><category>use-after-free</category><category>futex</category><category>rtmutex</category><category>priority-inheritance</category><category>lpe</category><category>local</category><category>kernel-panic</category><category>ndk</category></item></channel></rss>