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May 09, 2026 HB

Copy Fail: CVE-2026-31431 — The 732-Byte Script That Roots Every Linux Since 2017

A deterministic logic bug in the Linux kernel’s crypto subsystem lets an unprivileged local user write 4 arbitrary bytes into the page cache of any readable file. No races, no retries, no kernel offsets. A 732-byte Python script turns any user account into root on every ma…

Exploit Vulnerability Reverse-Engineering Page-Cache Privilege-Escalation Linux-Kernel Container-Escape

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Android Android-Adb Android-apktool Android-Avd Android-Studio Anti-Bot Automotive Baseband C2 CAN-Bus Container-Escape Cross-Site-Scripting Data-Scraping Exploit Frida Geolocation GooglePlay Hardware HTTP2 Identity-Confusion Information Security JNI Linux Linux-Kernel Memory Disclosure mitmproxy Mobile-Security Network-Analysis Networking OAuth OBD2 OIDC Out-of-Bounds Page-Cache Penetration Testing Playwright Privilege-Escalation Python Race-Condition Reverse-Engineering Samsung-Exynos Security Security-Research Session Hijacking SMS Snapchat SSL-Pinning STIG-Manager Vulnerability Web Applications Web-Crawling Web-Security Zero-Day