GhostLock CVE-2026-43499: 15-Year Linux Kernel Root Exploit Explained

A 15-year-old use-after-free vulnerability in the Linux kernel's futex priority-inheritance code allows any unprivileged local user to escalate to root. This week we break down GhostLock (CVE-2026-43499), Januscape, a 16-year-old KVM escape bug, OpenSSH 10.4 security updates, and critical UniFi vulnerabilities. CHAPTERS: 00:00 GhostLock: 15-Year Kernel Root Exploit 00:55 How the Futex Use-After-Free Works 02:24 GhostLock Impact, Januscape & Patches 03:44 16-Year KVM Escape Bug Explained 04:59 OpenSSH 10.4: Eight CVEs Fixed 06:10 UniFi Critical Flaws & Outro PATCH LINKS: AlmaLinux GhostLock Advisory: https://errata.almalinux.org RHEL kpatch updates: https://access.redhat.com/security/vu... OpenSSH 10.4 release notes: https://www.openssh.com/txt/release-10.4 UniFi Security Advisory Bulletin 066: https://community.ui.com/releases/Sec... CVE-2026-43499 NVD: https://nvd.nist.gov/vuln/detail/CVE-... HASHTAGS: #Linux #LinuxSecurity #CVE #GhostLock #KernelExploit #OpenSSH #UniFi #CyberSecurity #RHEL #AlmaLinux ======================================================= "Please like, comment, and subscribe to receive more videos of this kind." https://goo.gl/a9JwXB Subscribe to the weekly newsletter: https://tondoeslinux.com/subscribe Use VidIQ for your channel: https://vidiq.com/TonDoesLinux Use the best VPN: https://surfshark.club/friend/FN3Sduq4 Learn Linux:    • Learn Linux Desktop   Learn Arch:    • Learn Arch Linux 2019   Website: www.tondoeslinux.com Like my Facebook page:   / tondoeslinux   See me on Twitter   / tondoes   #tondoeslinux #linuxtutorial #linux #apple #tech #shorts